diff --git a/theme/boost/scss/moodle/core.scss b/theme/boost/scss/moodle/core.scss
index 57cc1fc07af..ef4cd81f3e1 100644
--- a/theme/boost/scss/moodle/core.scss
+++ b/theme/boost/scss/moodle/core.scss
@@ -2275,3 +2275,9 @@ $switch-transition: .2s all !default;
 .z-index-1 {
     z-index: 1 !important; /* stylelint-disable-line declaration-no-important */
 }
+
+@each $color, $value in $theme-colors {
+    .alert-#{$color} a {
+        color: darken(theme-color-level($color, $alert-color-level), 10%);
+    }
+}
diff --git a/theme/boost/scss/preset/default.scss b/theme/boost/scss/preset/default.scss
index 39d8dafcb0b..e29ff583129 100644
--- a/theme/boost/scss/preset/default.scss
+++ b/theme/boost/scss/preset/default.scss
@@ -1,14 +1,13 @@
 // Bootstrap variables
-
 $white:    #fff !default;
 $gray-100: #f8f9fa !default;
 $gray-200: #e9ecef !default;
 $gray-300: #dee2e6 !default;
 $gray-400: #ced4da !default;
 $gray-500: #adb5bd !default;
-$gray-600: #868e96 !default;
+$gray-600: #6c757d !default;
 $gray-700: #495057 !default;
-$gray-800: #373a3c !default;
+$gray-800: #343a40 !default;
 $gray-900: #212529 !default;
 $black:    #000 !default;
 
@@ -16,21 +15,22 @@ $blue:    #1177d1 !default;
 $indigo:  #6610f2 !default;
 $purple:  #613d7c !default;
 $pink:    #e83e8c !default;
-$red:     #d9534f !default;
+$red:     #d43f3a !default;
 $orange:  #f0ad4e !default;
 $yellow:  #ff7518 !default;
-$green:   #5cb85c !default;
+$green:   #398439 !default;
 $teal:    #20c997 !default;
 $cyan:    #5bc0de !default;
 
 $primary:       $blue !default;
-$secondary:     $gray-800 !default;
 $success:       $green !default;
 $info:          $cyan !default;
-$warning:       $yellow !default;
+$warning:       $orange !default;
 $danger:        $red !default;
-$light:         $gray-100 !default;
-$dark:          $gray-800 !default;
+$secondary:     $gray-400 !default;
+
+$info-outline:    #1f7e9a;
+$warning-outline: #a6670e;
 
 // Options
 $enable-rounded: false !default;
@@ -64,13 +64,11 @@ $card-group-margin: .25rem;
 $theme-colors: () !default;
 $theme-colors: map-merge((
     primary: $primary,
-    secondary: $gray-400,
+    secondary: $secondary,
     success: $success,
     info: $info,
-    warning: $orange,
+    warning: $warning,
     danger: $danger,
-    light: $gray-100,
-    dark: $gray-800
 ), $theme-colors);
 // stylelint-enable
 
@@ -108,7 +106,15 @@ body {
 // for an outline button.
 .btn-outline-secondary {
     @include button-outline-variant($gray-600);
-    border-color: $border-color;
+    border-color: $gray-600;
 }
 
-@include bg-variant(".bg-gray", $gray-200);
+.btn-outline-info {
+    @include button-outline-variant($info-outline);
+}
+
+.btn-outline-warning {
+    @include button-outline-variant($warning-outline);
+}
+
+@include bg-variant(".bg-gray", $gray-200);
\ No newline at end of file
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index b8f8d9a3c4c..0b799e9f759 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -2337,23 +2337,23 @@
   --indigo: #6610f2;
   --purple: #613d7c;
   --pink: #e83e8c;
-  --red: #d9534f;
+  --red: #d43f3a;
   --orange: #f0ad4e;
   --yellow: #ff7518;
-  --green: #5cb85c;
+  --green: #398439;
   --teal: #20c997;
   --cyan: #5bc0de;
   --white: #fff;
-  --gray: #868e96;
-  --gray-dark: #373a3c;
+  --gray: #6c757d;
+  --gray-dark: #343a40;
   --primary: #1177d1;
   --secondary: #ced4da;
-  --success: #5cb85c;
+  --success: #398439;
   --info: #5bc0de;
   --warning: #f0ad4e;
-  --danger: #d9534f;
+  --danger: #d43f3a;
   --light: #f8f9fa;
-  --dark: #373a3c;
+  --dark: #343a40;
   --breakpoint-xs: 0;
   --breakpoint-sm: 576px;
   --breakpoint-md: 768px;
@@ -2387,7 +2387,7 @@ body {
   font-size: 0.9375rem;
   font-weight: 400;
   line-height: 1.5;
-  color: #373a3c;
+  color: #343a40;
   text-align: left;
   background-color: #fff; }
 
@@ -2511,7 +2511,7 @@ table {
 caption {
   padding-top: 0.75rem;
   padding-bottom: 0.75rem;
-  color: #868e96;
+  color: #6c757d;
   text-align: left;
   caption-side: bottom; }
 
@@ -2715,7 +2715,7 @@ mark,
 .blockquote-footer {
   display: block;
   font-size: 80%;
-  color: #868e96; }
+  color: #6c757d; }
   .blockquote-footer::before {
     content: "\2014 \00A0"; }
 
@@ -2739,7 +2739,7 @@ mark,
 
 .figure-caption {
   font-size: 90%;
-  color: #868e96; }
+  color: #6c757d; }
 
 code,
 kbd,
@@ -3459,10 +3459,10 @@ table#listdirectories td {
 .table-success,
 .table-success > th,
 .table-success > td {
-  background-color: #d1ebd1; }
+  background-color: #c8ddc8; }
 
 .table-hover .table-success:hover, table.grading-report .table-success:hover, .forumheaderlist .table-success:hover, .generaltable .table-success:hover, table.flexible .table-success:hover, .category_subcategories .table-success:hover, table#modules .table-success:hover, table#permissions .table-success:hover {
-  background-color: #bfe3bf; }
+  background-color: #b8d3b8; }
   .table-hover .table-success:hover > td, table.grading-report .table-success:hover > td, .forumheaderlist .table-success:hover > td, .generaltable .table-success:hover > td, table.flexible .table-success:hover > td, .category_subcategories .table-success:hover > td, table#modules .table-success:hover > td, table#permissions .table-success:hover > td,
   .table-hover .table-success:hover > th,
   table.grading-report .table-success:hover > th,
@@ -3472,7 +3472,7 @@ table#listdirectories td {
   .category_subcategories .table-success:hover > th,
   table#modules .table-success:hover > th,
   table#permissions .table-success:hover > th {
-    background-color: #bfe3bf; }
+    background-color: #b8d3b8; }
 
 .table-info,
 .table-info > th,
@@ -3531,10 +3531,10 @@ table#listdirectories td {
 .table-danger,
 .table-danger > th,
 .table-danger > td {
-  background-color: #f4cfce; }
+  background-color: #f3c9c8; }
 
 .table-hover .table-danger:hover, table.grading-report .table-danger:hover, .forumheaderlist .table-danger:hover, .generaltable .table-danger:hover, table.flexible .table-danger:hover, .category_subcategories .table-danger:hover, table#modules .table-danger:hover, table#permissions .table-danger:hover {
-  background-color: #efbbb9; }
+  background-color: #eeb4b3; }
   .table-hover .table-danger:hover > td, table.grading-report .table-danger:hover > td, .forumheaderlist .table-danger:hover > td, .generaltable .table-danger:hover > td, table.flexible .table-danger:hover > td, .category_subcategories .table-danger:hover > td, table#modules .table-danger:hover > td, table#permissions .table-danger:hover > td,
   .table-hover .table-danger:hover > th,
   table.grading-report .table-danger:hover > th,
@@ -3544,7 +3544,7 @@ table#listdirectories td {
   .category_subcategories .table-danger:hover > th,
   table#modules .table-danger:hover > th,
   table#permissions .table-danger:hover > th {
-    background-color: #efbbb9; }
+    background-color: #eeb4b3; }
 
 .table-light,
 .table-light > th,
@@ -3567,10 +3567,10 @@ table#listdirectories td {
 .table-dark,
 .table-dark > th,
 .table-dark > td {
-  background-color: #c7c8c8; }
+  background-color: #c6c8ca; }
 
 .table-hover .table-dark:hover, table.grading-report .table-dark:hover, .forumheaderlist .table-dark:hover, .generaltable .table-dark:hover, table.flexible .table-dark:hover, .category_subcategories .table-dark:hover, table#modules .table-dark:hover, table#permissions .table-dark:hover {
-  background-color: #babbbb; }
+  background-color: #b9bbbe; }
   .table-hover .table-dark:hover > td, table.grading-report .table-dark:hover > td, .forumheaderlist .table-dark:hover > td, .generaltable .table-dark:hover > td, table.flexible .table-dark:hover > td, .category_subcategories .table-dark:hover > td, table#modules .table-dark:hover > td, table#permissions .table-dark:hover > td,
   .table-hover .table-dark:hover > th,
   table.grading-report .table-dark:hover > th,
@@ -3580,7 +3580,7 @@ table#listdirectories td {
   .category_subcategories .table-dark:hover > th,
   table#modules .table-dark:hover > th,
   table#permissions .table-dark:hover > th {
-    background-color: #babbbb; }
+    background-color: #b9bbbe; }
 
 .table-active,
 .table-active > th,
@@ -3695,7 +3695,7 @@ table#listdirectories td {
     outline: 0;
     box-shadow: 0 0 0 0.2rem rgba(17, 119, 209, 0.25); }
   .form-control::placeholder {
-    color: #868e96;
+    color: #6c757d;
     opacity: 1; }
   .form-control:disabled, .form-control[readonly] {
     background-color: #e9ecef;
@@ -3816,7 +3816,7 @@ div.backup-section + form {
   margin-top: 0.3rem;
   margin-left: -1.25rem; }
   .form-check-input:disabled ~ .form-check-label {
-    color: #868e96; }
+    color: #6c757d; }
 
 .form-check-label {
   margin-bottom: 0; }
@@ -3837,7 +3837,7 @@ div.backup-section + form {
   width: 100%;
   margin-top: 0.25rem;
   font-size: 80%;
-  color: #5cb85c; }
+  color: #398439; }
 
 .valid-tooltip {
   position: absolute;
@@ -3850,18 +3850,18 @@ div.backup-section + form {
   font-size: .875rem;
   line-height: 1;
   color: #fff;
-  background-color: rgba(92, 184, 92, 0.8);
+  background-color: rgba(57, 132, 57, 0.8);
   border-radius: .2rem; }
 
 .was-validated .form-control:valid, .form-control.is-valid, .was-validated
 .custom-select:valid,
 .custom-select.is-valid {
-  border-color: #5cb85c; }
+  border-color: #398439; }
   .was-validated .form-control:valid:focus, .form-control.is-valid:focus, .was-validated
   .custom-select:valid:focus,
   .custom-select.is-valid:focus {
-    border-color: #5cb85c;
-    box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.25); }
+    border-color: #398439;
+    box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.25); }
   .was-validated .form-control:valid ~ .valid-feedback,
   .was-validated .form-control:valid ~ .valid-tooltip, .form-control.is-valid ~ .valid-feedback,
   .form-control.is-valid ~ .valid-tooltip, .was-validated
@@ -3873,7 +3873,7 @@ div.backup-section + form {
     display: block; }
 
 .was-validated .form-check-input:valid ~ .form-check-label, .form-check-input.is-valid ~ .form-check-label {
-  color: #5cb85c; }
+  color: #398439; }
 
 .was-validated .form-check-input:valid ~ .valid-feedback,
 .was-validated .form-check-input:valid ~ .valid-tooltip, .form-check-input.is-valid ~ .valid-feedback,
@@ -3881,9 +3881,9 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-control-input:valid ~ .custom-control-label, .custom-control-input.is-valid ~ .custom-control-label {
-  color: #5cb85c; }
+  color: #398439; }
   .was-validated .custom-control-input:valid ~ .custom-control-label::before, .custom-control-input.is-valid ~ .custom-control-label::before {
-    background-color: #b5dfb5; }
+    background-color: #78c578; }
 
 .was-validated .custom-control-input:valid ~ .valid-feedback,
 .was-validated .custom-control-input:valid ~ .valid-tooltip, .custom-control-input.is-valid ~ .valid-feedback,
@@ -3891,13 +3891,13 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-control-input:valid:checked ~ .custom-control-label::before, .custom-control-input.is-valid:checked ~ .custom-control-label::before {
-  background-color: #80c780; }
+  background-color: #48a848; }
 
 .was-validated .custom-control-input:valid:focus ~ .custom-control-label::before, .custom-control-input.is-valid:focus ~ .custom-control-label::before {
-  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(92, 184, 92, 0.25); }
+  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(57, 132, 57, 0.25); }
 
 .was-validated .custom-file-input:valid ~ .custom-file-label, .custom-file-input.is-valid ~ .custom-file-label {
-  border-color: #5cb85c; }
+  border-color: #398439; }
   .was-validated .custom-file-input:valid ~ .custom-file-label::before, .custom-file-input.is-valid ~ .custom-file-label::before {
     border-color: inherit; }
 
@@ -3907,14 +3907,14 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-file-input:valid:focus ~ .custom-file-label, .custom-file-input.is-valid:focus ~ .custom-file-label {
-  box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.25); }
+  box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.25); }
 
 .invalid-feedback {
   display: none;
   width: 100%;
   margin-top: 0.25rem;
   font-size: 80%;
-  color: #d9534f; }
+  color: #d43f3a; }
 
 .invalid-tooltip {
   position: absolute;
@@ -3927,18 +3927,18 @@ div.backup-section + form {
   font-size: .875rem;
   line-height: 1;
   color: #fff;
-  background-color: rgba(217, 83, 79, 0.8);
+  background-color: rgba(212, 63, 58, 0.8);
   border-radius: .2rem; }
 
 .was-validated .form-control:invalid, .form-control.is-invalid, .was-validated
 .custom-select:invalid,
 .custom-select.is-invalid {
-  border-color: #d9534f; }
+  border-color: #d43f3a; }
   .was-validated .form-control:invalid:focus, .form-control.is-invalid:focus, .was-validated
   .custom-select:invalid:focus,
   .custom-select.is-invalid:focus {
-    border-color: #d9534f;
-    box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.25); }
+    border-color: #d43f3a;
+    box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.25); }
   .was-validated .form-control:invalid ~ .invalid-feedback,
   .was-validated .form-control:invalid ~ .invalid-tooltip, .form-control.is-invalid ~ .invalid-feedback,
   .form-control.is-invalid ~ .invalid-tooltip, .was-validated
@@ -3950,7 +3950,7 @@ div.backup-section + form {
     display: block; }
 
 .was-validated .form-check-input:invalid ~ .form-check-label, .form-check-input.is-invalid ~ .form-check-label {
-  color: #d9534f; }
+  color: #d43f3a; }
 
 .was-validated .form-check-input:invalid ~ .invalid-feedback,
 .was-validated .form-check-input:invalid ~ .invalid-tooltip, .form-check-input.is-invalid ~ .invalid-feedback,
@@ -3958,9 +3958,9 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-control-input:invalid ~ .custom-control-label, .custom-control-input.is-invalid ~ .custom-control-label {
-  color: #d9534f; }
+  color: #d43f3a; }
   .was-validated .custom-control-input:invalid ~ .custom-control-label::before, .custom-control-input.is-invalid ~ .custom-control-label::before {
-    background-color: #f0b9b8; }
+    background-color: #eba5a3; }
 
 .was-validated .custom-control-input:invalid ~ .invalid-feedback,
 .was-validated .custom-control-input:invalid ~ .invalid-tooltip, .custom-control-input.is-invalid ~ .invalid-feedback,
@@ -3968,13 +3968,13 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-control-input:invalid:checked ~ .custom-control-label::before, .custom-control-input.is-invalid:checked ~ .custom-control-label::before {
-  background-color: #e27c79; }
+  background-color: #dd6864; }
 
 .was-validated .custom-control-input:invalid:focus ~ .custom-control-label::before, .custom-control-input.is-invalid:focus ~ .custom-control-label::before {
-  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(217, 83, 79, 0.25); }
+  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(212, 63, 58, 0.25); }
 
 .was-validated .custom-file-input:invalid ~ .custom-file-label, .custom-file-input.is-invalid ~ .custom-file-label {
-  border-color: #d9534f; }
+  border-color: #d43f3a; }
   .was-validated .custom-file-input:invalid ~ .custom-file-label::before, .custom-file-input.is-invalid ~ .custom-file-label::before {
     border-color: inherit; }
 
@@ -3984,7 +3984,7 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-file-input:invalid:focus ~ .custom-file-label, .custom-file-input.is-invalid:focus ~ .custom-file-label {
-  box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.25); }
+  box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.25); }
 
 .form-inline {
   display: flex;
@@ -4115,26 +4115,26 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
 
 .btn-success {
   color: #fff;
-  background-color: #5cb85c;
-  border-color: #5cb85c; }
+  background-color: #398439;
+  border-color: #398439; }
   .btn-success:hover {
     color: #fff;
-    background-color: #48a648;
-    border-color: #449d44; }
+    background-color: #2d692d;
+    border-color: #2a602a; }
   .btn-success:focus, .btn-success.focus {
-    box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.5); }
   .btn-success.disabled, .btn-success:disabled {
     color: #fff;
-    background-color: #5cb85c;
-    border-color: #5cb85c; }
+    background-color: #398439;
+    border-color: #398439; }
   .btn-success:not(:disabled):not(.disabled):active, .btn-success:not(:disabled):not(.disabled).active,
   .show > .btn-success.dropdown-toggle {
     color: #fff;
-    background-color: #449d44;
-    border-color: #409440; }
+    background-color: #2a602a;
+    border-color: #265726; }
     .btn-success:not(:disabled):not(.disabled):active:focus, .btn-success:not(:disabled):not(.disabled).active:focus,
     .show > .btn-success.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.5); }
 
 .btn-info {
   color: #212529;
@@ -4184,26 +4184,26 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
 
 .btn-danger {
   color: #fff;
-  background-color: #d9534f;
-  border-color: #d9534f; }
+  background-color: #d43f3a;
+  border-color: #d43f3a; }
   .btn-danger:hover {
     color: #fff;
-    background-color: #d23430;
-    border-color: #c9302c; }
+    background-color: #be2e2a;
+    border-color: #b42c27; }
   .btn-danger:focus, .btn-danger.focus {
-    box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.5); }
   .btn-danger.disabled, .btn-danger:disabled {
     color: #fff;
-    background-color: #d9534f;
-    border-color: #d9534f; }
+    background-color: #d43f3a;
+    border-color: #d43f3a; }
   .btn-danger:not(:disabled):not(.disabled):active, .btn-danger:not(:disabled):not(.disabled).active,
   .show > .btn-danger.dropdown-toggle {
     color: #fff;
-    background-color: #c9302c;
-    border-color: #bf2e29; }
+    background-color: #b42c27;
+    border-color: #a92925; }
     .btn-danger:not(:disabled):not(.disabled):active:focus, .btn-danger:not(:disabled):not(.disabled).active:focus,
     .show > .btn-danger.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.5); }
 
 .btn-light {
   color: #212529;
@@ -4230,26 +4230,26 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
 
 .btn-dark {
   color: #fff;
-  background-color: #373a3c;
-  border-color: #373a3c; }
+  background-color: #343a40;
+  border-color: #343a40; }
   .btn-dark:hover {
     color: #fff;
-    background-color: #252728;
-    border-color: #1f2021; }
+    background-color: #23272b;
+    border-color: #1d2124; }
   .btn-dark:focus, .btn-dark.focus {
-    box-shadow: 0 0 0 0.2rem rgba(55, 58, 60, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); }
   .btn-dark.disabled, .btn-dark:disabled {
     color: #fff;
-    background-color: #373a3c;
-    border-color: #373a3c; }
+    background-color: #343a40;
+    border-color: #343a40; }
   .btn-dark:not(:disabled):not(.disabled):active, .btn-dark:not(:disabled):not(.disabled).active,
   .show > .btn-dark.dropdown-toggle {
     color: #fff;
-    background-color: #1f2021;
-    border-color: #191a1b; }
+    background-color: #1d2124;
+    border-color: #171a1d; }
     .btn-dark:not(:disabled):not(.disabled):active:focus, .btn-dark:not(:disabled):not(.disabled).active:focus,
     .show > .btn-dark.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(55, 58, 60, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); }
 
 .btn-outline-primary {
   color: #1177d1;
@@ -4298,27 +4298,27 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
       box-shadow: 0 0 0 0.2rem rgba(206, 212, 218, 0.5); }
 
 .btn-outline-success {
-  color: #5cb85c;
+  color: #398439;
   background-color: transparent;
   background-image: none;
-  border-color: #5cb85c; }
+  border-color: #398439; }
   .btn-outline-success:hover {
     color: #fff;
-    background-color: #5cb85c;
-    border-color: #5cb85c; }
+    background-color: #398439;
+    border-color: #398439; }
   .btn-outline-success:focus, .btn-outline-success.focus {
-    box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.5); }
   .btn-outline-success.disabled, .btn-outline-success:disabled {
-    color: #5cb85c;
+    color: #398439;
     background-color: transparent; }
   .btn-outline-success:not(:disabled):not(.disabled):active, .btn-outline-success:not(:disabled):not(.disabled).active,
   .show > .btn-outline-success.dropdown-toggle {
     color: #fff;
-    background-color: #5cb85c;
-    border-color: #5cb85c; }
+    background-color: #398439;
+    border-color: #398439; }
     .btn-outline-success:not(:disabled):not(.disabled):active:focus, .btn-outline-success:not(:disabled):not(.disabled).active:focus,
     .show > .btn-outline-success.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.5); }
 
 .btn-outline-info {
   color: #5bc0de;
@@ -4367,27 +4367,27 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
       box-shadow: 0 0 0 0.2rem rgba(240, 173, 78, 0.5); }
 
 .btn-outline-danger {
-  color: #d9534f;
+  color: #d43f3a;
   background-color: transparent;
   background-image: none;
-  border-color: #d9534f; }
+  border-color: #d43f3a; }
   .btn-outline-danger:hover {
     color: #fff;
-    background-color: #d9534f;
-    border-color: #d9534f; }
+    background-color: #d43f3a;
+    border-color: #d43f3a; }
   .btn-outline-danger:focus, .btn-outline-danger.focus {
-    box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.5); }
   .btn-outline-danger.disabled, .btn-outline-danger:disabled {
-    color: #d9534f;
+    color: #d43f3a;
     background-color: transparent; }
   .btn-outline-danger:not(:disabled):not(.disabled):active, .btn-outline-danger:not(:disabled):not(.disabled).active,
   .show > .btn-outline-danger.dropdown-toggle {
     color: #fff;
-    background-color: #d9534f;
-    border-color: #d9534f; }
+    background-color: #d43f3a;
+    border-color: #d43f3a; }
     .btn-outline-danger:not(:disabled):not(.disabled):active:focus, .btn-outline-danger:not(:disabled):not(.disabled).active:focus,
     .show > .btn-outline-danger.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.5); }
 
 .btn-outline-light {
   color: #f8f9fa;
@@ -4413,27 +4413,27 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
       box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); }
 
 .btn-outline-dark {
-  color: #373a3c;
+  color: #343a40;
   background-color: transparent;
   background-image: none;
-  border-color: #373a3c; }
+  border-color: #343a40; }
   .btn-outline-dark:hover {
     color: #fff;
-    background-color: #373a3c;
-    border-color: #373a3c; }
+    background-color: #343a40;
+    border-color: #343a40; }
   .btn-outline-dark:focus, .btn-outline-dark.focus {
-    box-shadow: 0 0 0 0.2rem rgba(55, 58, 60, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); }
   .btn-outline-dark.disabled, .btn-outline-dark:disabled {
-    color: #373a3c;
+    color: #343a40;
     background-color: transparent; }
   .btn-outline-dark:not(:disabled):not(.disabled):active, .btn-outline-dark:not(:disabled):not(.disabled).active,
   .show > .btn-outline-dark.dropdown-toggle {
     color: #fff;
-    background-color: #373a3c;
-    border-color: #373a3c; }
+    background-color: #343a40;
+    border-color: #343a40; }
     .btn-outline-dark:not(:disabled):not(.disabled):active:focus, .btn-outline-dark:not(:disabled):not(.disabled).active:focus,
     .show > .btn-outline-dark.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(55, 58, 60, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); }
 
 .btn-link {
   font-weight: 400;
@@ -4449,7 +4449,7 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
     border-color: transparent;
     box-shadow: none; }
   .btn-link:disabled, .btn-link.disabled {
-    color: #868e96; }
+    color: #6c757d; }
 
 .btn-lg, .btn-group-lg > .btn, #rubric-rubric.gradingform_rubric #rubric-criteria .criterion .addlevel .btn-group-lg > input, #rubric-rubric.gradingform_rubric .btn-group-lg > .addcriterion, #page-grade-grading-manage .actions .action {
   padding: 0.5rem 1rem;
@@ -4537,7 +4537,7 @@ tbody.collapse.show {
   padding: 0.5rem 0;
   margin: 0.125rem 0 0;
   font-size: 0.9375rem;
-  color: #373a3c;
+  color: #343a40;
   text-align: left;
   list-style: none;
   background-color: #fff;
@@ -4642,7 +4642,7 @@ tbody.collapse.show {
     text-decoration: none;
     background-color: #1177d1; }
   .dropdown-item.disabled, .dropdown-item:disabled {
-    color: #868e96;
+    color: #6c757d;
     background-color: transparent; }
 
 .dropdown-menu.show {
@@ -4653,7 +4653,7 @@ tbody.collapse.show {
   padding: 0.5rem 1.5rem;
   margin-bottom: 0;
   font-size: 0.8203125rem;
-  color: #868e96;
+  color: #6c757d;
   white-space: nowrap; }
 
 .btn-group,
@@ -4991,7 +4991,7 @@ tbody.collapse.show {
     color: #fff;
     background-color: #9dcdf7; }
   .custom-control-input:disabled ~ .custom-control-label {
-    color: #868e96; }
+    color: #6c757d; }
     .custom-control-input:disabled ~ .custom-control-label::before {
       background-color: #e9ecef; }
 
@@ -5058,7 +5058,7 @@ tbody.collapse.show {
   line-height: 1.5;
   color: #495057;
   vertical-align: middle;
-  background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23373a3c' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right 0.75rem center;
+  background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right 0.75rem center;
   background-size: 8px 10px;
   border: 1px solid #ced4da;
   border-radius: 0;
@@ -5075,7 +5075,7 @@ tbody.collapse.show {
     padding-right: 0.75rem;
     background-image: none; }
   .custom-select:disabled {
-    color: #868e96;
+    color: #6c757d;
     background-color: #e9ecef; }
   .custom-select::-ms-expand {
     opacity: 0; }
@@ -5154,7 +5154,7 @@ tbody.collapse.show {
   .nav-link:hover, .nav-link:focus {
     text-decoration: none; }
   .nav-link.disabled {
-    color: #868e96; }
+    color: #6c757d; }
 
 .nav-tabs {
   border-bottom: 1px solid #dee2e6; }
@@ -5165,7 +5165,7 @@ tbody.collapse.show {
     .nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus {
       border-color: #e9ecef #e9ecef #dee2e6; }
     .nav-tabs .nav-link.disabled {
-      color: #868e96;
+      color: #6c757d;
       background-color: transparent;
       border-color: transparent; }
   .nav-tabs .nav-link.active,
@@ -5614,7 +5614,7 @@ tbody.collapse.show {
   display: inline-block;
   padding-right: 0.5rem;
   padding-left: 0.5rem;
-  color: #868e96;
+  color: #6c757d;
   content: "/"; }
 
 .breadcrumb-item + .breadcrumb-item:hover::before {
@@ -5624,7 +5624,7 @@ tbody.collapse.show {
   text-decoration: none; }
 
 .breadcrumb-item.active {
-  color: #868e96; }
+  color: #6c757d; }
 
 .pagination {
   display: flex;
@@ -5662,7 +5662,7 @@ tbody.collapse.show {
   border-color: #1177d1; }
 
 .page-item.disabled .page-link {
-  color: #868e96;
+  color: #6c757d;
   pointer-events: none;
   cursor: auto;
   background-color: #fff;
@@ -5716,11 +5716,11 @@ tbody.collapse.show {
 
 .badge-success {
   color: #fff;
-  background-color: #5cb85c; }
+  background-color: #398439; }
   .badge-success[href]:hover, .badge-success[href]:focus {
     color: #fff;
     text-decoration: none;
-    background-color: #449d44; }
+    background-color: #2a602a; }
 
 .badge-info {
   color: #212529;
@@ -5740,11 +5740,11 @@ tbody.collapse.show {
 
 .badge-danger {
   color: #fff;
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
   .badge-danger[href]:hover, .badge-danger[href]:focus {
     color: #fff;
     text-decoration: none;
-    background-color: #c9302c; }
+    background-color: #b42c27; }
 
 .badge-light {
   color: #212529;
@@ -5756,11 +5756,11 @@ tbody.collapse.show {
 
 .badge-dark {
   color: #fff;
-  background-color: #373a3c; }
+  background-color: #343a40; }
   .badge-dark[href]:hover, .badge-dark[href]:focus {
     color: #fff;
     text-decoration: none;
-    background-color: #1f2021; }
+    background-color: #1d2124; }
 
 .jumbotron {
   padding: 2rem 1rem;
@@ -5819,13 +5819,13 @@ tbody.collapse.show {
 
 .alert-success,
 .que .comment {
-  color: #306030;
-  background-color: #def1de;
-  border-color: #d1ebd1; }
+  color: #1e451e;
+  background-color: #d7e6d7;
+  border-color: #c8ddc8; }
   .alert-success hr, .que .comment hr {
-    border-top-color: #bfe3bf; }
+    border-top-color: #b8d3b8; }
   .alert-success .alert-link, .que .comment .alert-link {
-    color: #1f3e1f; }
+    color: #0f210f; }
 
 .alert-info, #page-admin-index .releasenoteslink, #adminsettings .form-overridden, .que .formulation, .assignfeedback_editpdf_widget .label {
   color: #2f6473;
@@ -5850,13 +5850,13 @@ tbody.collapse.show {
 
 .alert-danger,
 #page-admin-index .adminerror {
-  color: #712b29;
-  background-color: #f7dddc;
-  border-color: #f4cfce; }
+  color: #6e211e;
+  background-color: #f6d9d8;
+  border-color: #f3c9c8; }
   .alert-danger hr, #page-admin-index .adminerror hr {
-    border-top-color: #efbbb9; }
+    border-top-color: #eeb4b3; }
   .alert-danger .alert-link, #page-admin-index .adminerror .alert-link {
-    color: #4c1d1b; }
+    color: #461513; }
 
 .alert-light {
   color: #818182;
@@ -5868,11 +5868,11 @@ tbody.collapse.show {
     color: #686868; }
 
 .alert-dark {
-  color: #1d1e1f;
-  background-color: #d7d8d8;
-  border-color: #c7c8c8; }
+  color: #1b1e21;
+  background-color: #d6d8d9;
+  border-color: #c6c8ca; }
   .alert-dark hr {
-    border-top-color: #babbbb; }
+    border-top-color: #b9bbbe; }
   .alert-dark .alert-link {
     color: #040505; }
 
@@ -5927,7 +5927,7 @@ tbody.collapse.show {
     text-decoration: none;
     background-color: #f8f9fa; }
   .list-group-item-action:active {
-    color: #373a3c;
+    color: #343a40;
     background-color: #e9ecef; }
 
 .list-group-item {
@@ -5943,7 +5943,7 @@ tbody.collapse.show {
     z-index: 1;
     text-decoration: none; }
   .list-group-item.disabled, .list-group-item:disabled {
-    color: #868e96;
+    color: #6c757d;
     background-color: #fff; }
   .list-group-item.active {
     z-index: 2;
@@ -5984,15 +5984,15 @@ tbody.collapse.show {
     border-color: #6b6e71; }
 
 .list-group-item-success {
-  color: #306030;
-  background-color: #d1ebd1; }
+  color: #1e451e;
+  background-color: #c8ddc8; }
   .list-group-item-success.list-group-item-action:hover, .list-group-item-success.list-group-item-action:focus {
-    color: #306030;
-    background-color: #bfe3bf; }
+    color: #1e451e;
+    background-color: #b8d3b8; }
   .list-group-item-success.list-group-item-action.active {
     color: #fff;
-    background-color: #306030;
-    border-color: #306030; }
+    background-color: #1e451e;
+    border-color: #1e451e; }
 
 .list-group-item-info {
   color: #2f6473;
@@ -6017,15 +6017,15 @@ tbody.collapse.show {
     border-color: #7d5a29; }
 
 .list-group-item-danger {
-  color: #712b29;
-  background-color: #f4cfce; }
+  color: #6e211e;
+  background-color: #f3c9c8; }
   .list-group-item-danger.list-group-item-action:hover, .list-group-item-danger.list-group-item-action:focus {
-    color: #712b29;
-    background-color: #efbbb9; }
+    color: #6e211e;
+    background-color: #eeb4b3; }
   .list-group-item-danger.list-group-item-action.active {
     color: #fff;
-    background-color: #712b29;
-    border-color: #712b29; }
+    background-color: #6e211e;
+    border-color: #6e211e; }
 
 .list-group-item-light {
   color: #818182;
@@ -6039,15 +6039,15 @@ tbody.collapse.show {
     border-color: #818182; }
 
 .list-group-item-dark {
-  color: #1d1e1f;
-  background-color: #c7c8c8; }
+  color: #1b1e21;
+  background-color: #c6c8ca; }
   .list-group-item-dark.list-group-item-action:hover, .list-group-item-dark.list-group-item-action:focus {
-    color: #1d1e1f;
-    background-color: #babbbb; }
+    color: #1b1e21;
+    background-color: #b9bbbe; }
   .list-group-item-dark.list-group-item-action.active {
     color: #fff;
-    background-color: #1d1e1f;
-    border-color: #1d1e1f; }
+    background-color: #1b1e21;
+    border-color: #1b1e21; }
 
 .close, .moodle-dialogue-base .closebutton {
   float: right;
@@ -6394,7 +6394,7 @@ button.close, .moodle-dialogue-base button.closebutton {
 
 .popover-body {
   padding: 0.5rem 0.75rem;
-  color: #373a3c; }
+  color: #343a40; }
 
 /* rtl:end:ignore */
 .carousel {
@@ -6550,12 +6550,12 @@ button.bg-secondary:focus {
   background-color: #b1bbc4 !important; }
 
 .bg-success {
-  background-color: #5cb85c !important; }
+  background-color: #398439 !important; }
 
 a.bg-success:hover, a.bg-success:focus,
 button.bg-success:hover,
 button.bg-success:focus {
-  background-color: #449d44 !important; }
+  background-color: #2a602a !important; }
 
 .bg-info {
   background-color: #5bc0de !important; }
@@ -6574,12 +6574,12 @@ button.bg-warning:focus {
   background-color: #ec971f !important; }
 
 .bg-danger {
-  background-color: #d9534f !important; }
+  background-color: #d43f3a !important; }
 
 a.bg-danger:hover, a.bg-danger:focus,
 button.bg-danger:hover,
 button.bg-danger:focus {
-  background-color: #c9302c !important; }
+  background-color: #b42c27 !important; }
 
 .bg-light {
   background-color: #f8f9fa !important; }
@@ -6590,12 +6590,12 @@ button.bg-light:focus {
   background-color: #dae0e5 !important; }
 
 .bg-dark {
-  background-color: #373a3c !important; }
+  background-color: #343a40 !important; }
 
 a.bg-dark:hover, a.bg-dark:focus,
 button.bg-dark:hover,
 button.bg-dark:focus {
-  background-color: #1f2021 !important; }
+  background-color: #1d2124 !important; }
 
 .bg-white {
   background-color: #fff !important; }
@@ -6641,7 +6641,7 @@ button.bg-dark:focus {
   border-color: #ced4da !important; }
 
 .border-success {
-  border-color: #5cb85c !important; }
+  border-color: #398439 !important; }
 
 .border-info {
   border-color: #5bc0de !important; }
@@ -6650,13 +6650,13 @@ button.bg-dark:focus {
   border-color: #f0ad4e !important; }
 
 .border-danger {
-  border-color: #d9534f !important; }
+  border-color: #d43f3a !important; }
 
 .border-light {
   border-color: #f8f9fa !important; }
 
 .border-dark {
-  border-color: #373a3c !important; }
+  border-color: #343a40 !important; }
 
 .border-white {
   border-color: #fff !important; }
@@ -8377,12 +8377,12 @@ a.text-secondary:hover, a.text-secondary:focus {
 
 .text-success, .green,
 .notifysuccess, .connected {
-  color: #5cb85c !important; }
+  color: #398439 !important; }
 
 a.text-success:hover, a.green:hover,
 a.notifysuccess:hover, a.connected:hover, a.text-success:focus, a.green:focus,
 a.notifysuccess:focus, a.connected:focus {
-  color: #449d44 !important; }
+  color: #2a602a !important; }
 
 .text-info, .highlight {
   color: #5bc0de !important; }
@@ -8407,10 +8407,10 @@ tr.flagged-tag a:focus, .moodle-dialogue-exception .param-stacktrace a.stacktrac
   color: #ec971f !important; }
 
 .text-danger, .notconnected, .que .validationerror, .text-error {
-  color: #d9534f !important; }
+  color: #d43f3a !important; }
 
 a.text-danger:hover, a.notconnected:hover, .que a.validationerror:hover, a.text-error:hover, a.text-danger:focus, a.notconnected:focus, .que a.validationerror:focus, a.text-error:focus {
-  color: #c9302c !important; }
+  color: #b42c27 !important; }
 
 .text-light {
   color: #f8f9fa !important; }
@@ -8419,10 +8419,10 @@ a.text-light:hover, a.text-light:focus {
   color: #dae0e5 !important; }
 
 .text-dark, #categoryquestions .highlight {
-  color: #373a3c !important; }
+  color: #343a40 !important; }
 
 a.text-dark:hover, #categoryquestions a.highlight:hover, a.text-dark:focus, #categoryquestions a.highlight:focus {
-  color: #1f2021 !important; }
+  color: #1d2124 !important; }
 
 .text-muted, a.dimmed,
 a.dimmed:link,
@@ -8444,7 +8444,7 @@ a.dimmed_text:visited,
 .course-content ul li.section.hidden .content > div.summary,
 .course-content ul li.section.hidden .activity .activityinstance, #course-category-listings .listitem[data-visible="0"], #course-category-listings .listitem[data-visible="0"] > div > a, #course-category-listings .listing-pagination-totals.dimmed, .fitem.disabled .fp-btn-choose, .form-defaultinfo,
 .form-label .form-shortname, .formsettingheading .form-horizontal, .no-felement.fstatic, .path-backup .backup_progress .backup_stage {
-  color: #868e96 !important; }
+  color: #6c757d !important; }
 
 .text-hide {
   font: 0/0 a;
@@ -8541,9 +8541,9 @@ a.dimmed_text:visited,
   background-size: calc(2.15625rem + 2px)/2 calc(2.15625rem + 2px)/2; }
 
 .tag-default {
-  background-color: #868e96; }
+  background-color: #6c757d; }
   .tag-default[href]:hover, .tag-default[href]:focus {
-    background-color: #6c757d; }
+    background-color: #545b62; }
 
 .tag-primary {
   background-color: #1177d1; }
@@ -8553,13 +8553,13 @@ a.dimmed_text:visited,
 .tag-success, .statusok, #page-admin-report-backups-index .backup-skipped,
 #page-admin-report-backups-index .backup-ok,
 #page-admin-report-backups-index .backup-notyetrun {
-  background-color: #5cb85c; }
+  background-color: #398439; }
   .tag-success[href]:hover, .statusok[href]:hover, #page-admin-report-backups-index .backup-skipped[href]:hover,
   #page-admin-report-backups-index .backup-ok[href]:hover,
   #page-admin-report-backups-index .backup-notyetrun[href]:hover, .tag-success[href]:focus, .statusok[href]:focus, #page-admin-report-backups-index .backup-skipped[href]:focus,
   #page-admin-report-backups-index .backup-ok[href]:focus,
   #page-admin-report-backups-index .backup-notyetrun[href]:focus {
-    background-color: #449d44; }
+    background-color: #2a602a; }
 
 .tag-info, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity200 .info.release {
   background-color: #5bc0de; }
@@ -8568,22 +8568,22 @@ a.dimmed_text:visited,
 
 .tag-warning, .statuswarning, #page-admin-report-backups-index .backup-warning, #page-admin-index .updateplugin .updatepluginconfirmexternal, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity100 .info.release,
 #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity150 .info.release {
-  background-color: #ff7518; }
+  background-color: #f0ad4e; }
   .tag-warning[href]:hover, .statuswarning[href]:hover, #page-admin-report-backups-index .backup-warning[href]:hover, #page-admin-index .updateplugin .updatepluginconfirmexternal[href]:hover, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity100 .info.release[href]:hover,
   #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity150 .info.release[href]:hover, .tag-warning[href]:focus, .statuswarning[href]:focus, #page-admin-report-backups-index .backup-warning[href]:focus, #page-admin-index .updateplugin .updatepluginconfirmexternal[href]:focus, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity100 .info.release[href]:focus,
   #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity150 .info.release[href]:focus {
-    background-color: #e45c00; }
+    background-color: #ec971f; }
 
 .tag-danger, .statusserious,
 .statuscritical, #page-admin-report-backups-index .backup-error,
 #page-admin-report-backups-index .backup-unfinished, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity50 .info.release {
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
   .tag-danger[href]:hover, .statusserious[href]:hover,
   .statuscritical[href]:hover, #page-admin-report-backups-index .backup-error[href]:hover,
   #page-admin-report-backups-index .backup-unfinished[href]:hover, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity50 .info.release[href]:hover, .tag-danger[href]:focus, .statusserious[href]:focus,
   .statuscritical[href]:focus, #page-admin-report-backups-index .backup-error[href]:focus,
   #page-admin-report-backups-index .backup-unfinished[href]:focus, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity50 .info.release[href]:focus {
-    background-color: #c9302c; }
+    background-color: #b42c27; }
 
 .custom-select {
   width: auto; }
@@ -10127,7 +10127,7 @@ ul.badges {
   display: inline-block; }
 
 .statusbox.active {
-  background-color: #def1de; }
+  background-color: #d7e6d7; }
 
 .statusbox.inactive {
   background-color: #fcefdc; }
@@ -10375,7 +10375,7 @@ ul {
 .dropdown-item a {
   display: block;
   width: 100%;
-  color: #373a3c; }
+  color: #343a40; }
 
 .dropdown-item:active a {
   color: #fff; }
@@ -10517,7 +10517,7 @@ div.editor_atto_toolbar button .icon {
       outline: none;
       box-shadow: 0 0 0 0.2rem rgba(17, 119, 209, 0.25); }
     .switch input:disabled + label {
-      color: #868e96;
+      color: #6c757d;
       cursor: not-allowed; }
     .switch input:disabled + label::before {
       background-color: #e9ecef; }
@@ -10545,6 +10545,30 @@ div.editor_atto_toolbar button .icon {
   z-index: 1 !important;
   /* stylelint-disable-line declaration-no-important */ }
 
+.alert-primary a {
+  color: #05233e; }
+
+.alert-secondary a {
+  color: #525557; }
+
+.alert-success a, .que .comment a {
+  color: #0f210f; }
+
+.alert-info a, #page-admin-index .releasenoteslink a, #adminsettings .form-overridden a, .que .formulation a, .assignfeedback_editpdf_widget .label a {
+  color: #20454f; }
+
+.alert-warning a, #page-admin-index .adminwarning a, .uninstalldeleteconfirmexternal a, .que .outcome a, .que .comment a {
+  color: #573e1c; }
+
+.alert-danger a, #page-admin-index .adminerror a {
+  color: #461513; }
+
+.alert-light a {
+  color: #686868; }
+
+.alert-dark a {
+  color: #040505; }
+
 .icon {
   font-size: 16px;
   width: 16px;
@@ -10657,15 +10681,15 @@ div.editor_atto_toolbar button .icon {
 
 .environmenttable .warn {
   background-color: #fcefdc;
-  color: #ff7518; }
+  color: #f0ad4e; }
 
 .environmenttable .error {
-  background-color: #f7dddc;
-  color: #d9534f; }
+  background-color: #f6d9d8;
+  color: #d43f3a; }
 
 .environmenttable .ok {
-  background-color: #def1de;
-  color: #5cb85c; }
+  background-color: #d7e6d7;
+  color: #398439; }
 
 .path-admin .admintable.environmenttable .name,
 .path-admin .admintable.environmenttable .info,
@@ -10997,7 +11021,7 @@ div.editor_atto_toolbar button .icon {
   font-size: 0.8203125rem; }
 
 #page-admin-plugins #plugins-control-panel .uninstall a {
-  color: #d9534f; }
+  color: #d43f3a; }
 
 #page-admin-plugins #plugins-control-panel .notes .label {
   margin-right: 3px; }
@@ -11025,7 +11049,7 @@ div.editor_atto_toolbar button .icon {
 
 #plugins-check-page #plugins-check .status-missing td,
 #plugins-check-page #plugins-check .status-downgrade td {
-  background-color: #f7dddc; }
+  background-color: #f6d9d8; }
 
 #plugins-check-page #plugins-check .displayname .plugindir {
   font-size: 0.8203125rem; }
@@ -11071,7 +11095,7 @@ div.editor_atto_toolbar button .icon {
   margin: 10px 0; }
   #plugins-check-page .pluginupdateinfo.maturity50,
   #plugins-control-panel .pluginupdateinfo.maturity50 {
-    background-color: #f7dddc; }
+    background-color: #f6d9d8; }
   #plugins-check-page .pluginupdateinfo.maturity100, #plugins-check-page .pluginupdateinfo.maturity150,
   #plugins-control-panel .pluginupdateinfo.maturity100,
   #plugins-control-panel .pluginupdateinfo.maturity150 {
@@ -11170,7 +11194,7 @@ div.editor_atto_toolbar button .icon {
 
 #page-admin-tasklogs .task-class {
   font-size: 0.8203125rem;
-  color: #868e96; }
+  color: #6c757d; }
 
 .blockmovetarget .accesshide {
   position: relative;
@@ -11191,7 +11215,7 @@ div.editor_atto_toolbar button .icon {
 
 .block .block-controls .dropdown-toggle {
   /* So that the caret takes the colour of the icon. */
-  color: #373a3c; }
+  color: #343a40; }
 
 [data-region="blocks-column"] {
   width: 360px;
@@ -11422,7 +11446,7 @@ div.editor_atto_toolbar button .icon {
     margin-right: 2px; }
 
 .block.invisibleblock .card-title {
-  color: #868e96; }
+  color: #6c757d; }
 
 .navbar {
   max-height: 50px; }
@@ -13710,7 +13734,7 @@ a.ygtvspacer:hover {
       direction: ltr; }
   .message-app .matchtext {
     background-color: #b5d9f9;
-    color: #373a3c;
+    color: #343a40;
     height: 1.5rem; }
   .message-app .contact-status {
     position: absolute;
@@ -13721,7 +13745,7 @@ a.ygtvspacer:hover {
     border-radius: 50%; }
     .message-app .contact-status.online {
       border: 1px solid #fff;
-      background-color: #5cb85c; }
+      background-color: #398439; }
   .message-app .message p {
     margin: 0; }
   .message-app .clickable {
@@ -14085,13 +14109,13 @@ body.path-question-type {
   margin: 0 0 0.5em; }
 
 .que .correctness.correct {
-  background-color: #5cb85c; }
+  background-color: #398439; }
 
 .que .correctness.partiallycorrect {
-  background-color: #ff7518; }
+  background-color: #f0ad4e; }
 
 .que .correctness.notanswered, .que .correctness.incorrect {
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
 
 .que .qtext {
   margin-bottom: 1.5em; }
@@ -14190,7 +14214,7 @@ body.jsenabled .questionflag input[type=checkbox] {
     margin: 0; }
 
 #page-mod-quiz-edit .questionbankwindow div.header .title {
-  color: #373a3c; }
+  color: #343a40; }
 
 #page-mod-quiz-edit div.container div.generalbox {
   background-color: transparent;
@@ -14618,9 +14642,9 @@ body.path-question-type .mform fieldset.hidden {
 
 #adminsettings span.error {
   display: inline-block;
-  border: 1px solid #f4cfce;
+  border: 1px solid #f3c9c8;
   border-radius: 4px;
-  background-color: #f7dddc;
+  background-color: #f6d9d8;
   padding: 4px;
   margin-bottom: 4px; }
 
@@ -14665,7 +14689,7 @@ body.path-question-type .mform fieldset.hidden {
   display: none; }
 
 #adminsettings .error {
-  color: #d9534f; }
+  color: #d43f3a; }
 
 .mform ul.file-list {
   padding: 0;
@@ -14852,7 +14876,7 @@ fieldset.coursesearchbox label {
   padding: 0.2em;
   margin: 0;
   cursor: pointer;
-  color: #373a3c; }
+  color: #343a40; }
 
 .form-autocomplete-suggestions li:hover {
   background-color: #3f9def;
@@ -14863,7 +14887,7 @@ fieldset.coursesearchbox label {
   color: #495057; }
 
 .form-autocomplete-downarrow {
-  color: #373a3c;
+  color: #343a40;
   top: 0.2rem;
   right: 0.5rem;
   cursor: pointer; }
@@ -14971,27 +14995,27 @@ textarea[data-auto-rows] {
   .has-danger #page-admin-mnet-peers .mform .editor_atto_content.deletedhostinfo .custom-control,
   #page-admin-mnet-peers .mform .has-danger .editor_atto_content.deletedhostinfo .custom-control,
   .has-danger .editor_atto_content.maintenancewarning.error .custom-control {
-    color: #d9534f; }
+    color: #d43f3a; }
   .has-danger .editor_atto_content.form-control .form-control,
   .has-danger .editor_atto_content.form-control-danger .form-control,
   .has-danger #page-admin-mnet-peers .mform .editor_atto_content.deletedhostinfo .form-control,
   #page-admin-mnet-peers .mform .has-danger .editor_atto_content.deletedhostinfo .form-control,
   .has-danger .editor_atto_content.maintenancewarning.error .form-control {
-    border-color: #d9534f; }
+    border-color: #d43f3a; }
   .has-danger .editor_atto_content.form-control .input-group-addon,
   .has-danger .editor_atto_content.form-control-danger .input-group-addon,
   .has-danger #page-admin-mnet-peers .mform .editor_atto_content.deletedhostinfo .input-group-addon,
   #page-admin-mnet-peers .mform .has-danger .editor_atto_content.deletedhostinfo .input-group-addon,
   .has-danger .editor_atto_content.maintenancewarning.error .input-group-addon {
-    color: #d9534f;
-    border-color: #d9534f;
-    background-color: #fdf7f7; }
+    color: #d43f3a;
+    border-color: #d43f3a;
+    background-color: #f9e2e1; }
   .has-danger .editor_atto_content.form-control .form-control-feedback,
   .has-danger .editor_atto_content.form-control-danger .form-control-feedback,
   .has-danger #page-admin-mnet-peers .mform .editor_atto_content.deletedhostinfo .form-control-feedback,
   #page-admin-mnet-peers .mform .has-danger .editor_atto_content.deletedhostinfo .form-control-feedback,
   .has-danger .editor_atto_content.maintenancewarning.error .form-control-feedback {
-    color: #d9534f; }
+    color: #d43f3a; }
 
 [data-filetypesbrowserbody] [aria-expanded="false"] > [role="group"],
 [data-filetypesbrowserbody] [aria-expanded="false"] [data-filetypesbrowserfeature="hideifcollapsed"],
@@ -15094,10 +15118,10 @@ select {
   vertical-align: top; }
 
 .path-mod-forum .subscriptionmode {
-  color: #373a3c; }
+  color: #343a40; }
 
 .path-mod-forum .activesetting {
-  color: #373a3c;
+  color: #343a40;
   font-weight: bold; }
 
 .forumpost {
@@ -15373,7 +15397,7 @@ div#dock {
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.correct .trafficlight {
   background-image: url([[pix:theme|mod/quiz/checkmark]]);
-  background-color: #5cb85c; }
+  background-color: #398439; }
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.blocked .trafficlight {
   background-image: url([[pix:core|t/locked]]);
@@ -15381,16 +15405,16 @@ div#dock {
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.notanswered .trafficlight,
 .path-mod-quiz #mod_quiz_navblock .qnbutton.incorrect .trafficlight {
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.partiallycorrect .trafficlight {
   background-image: url([[pix:theme|mod/quiz/whitecircle]]);
-  background-color: #ff7518; }
+  background-color: #f0ad4e; }
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.complete .trafficlight,
 .path-mod-quiz #mod_quiz_navblock .qnbutton.answersaved .trafficlight,
 .path-mod-quiz #mod_quiz_navblock .qnbutton.requiresgrading .trafficlight {
-  background-color: #868e96; }
+  background-color: #6c757d; }
 
 #page-mod-quiz-edit ul.slots li.section li.activity .instancemaxmarkcontainer form input {
   height: 1.4em;
@@ -15687,7 +15711,7 @@ div#dock {
     content: ""; }
 
 .path-backup .notification.dependencies_enforced {
-  color: #d9534f;
+  color: #d43f3a;
   font-weight: bold; }
 
 .path-backup .backup_progress {
@@ -15701,7 +15725,7 @@ div#dock {
   color: inherit; }
 
 #page-backup-restore .filealiasesfailures {
-  background-color: #f7dddc; }
+  background-color: #f6d9d8; }
   #page-backup-restore .filealiasesfailures .aliaseslist {
     background-color: #fff; }
 
@@ -16683,14 +16707,14 @@ span[data-flexitour="container"][x-placement="right"], span[data-flexitour="cont
   width: 275px; }
 
 .label {
-  background-color: #868e96; }
+  background-color: #6c757d; }
   .label[href]:hover, .label[href]:focus {
-    background-color: #6c757d; }
+    background-color: #545b62; }
 
 .label-success {
-  background-color: #5cb85c; }
+  background-color: #398439; }
   .label-success[href]:hover, .label-success[href]:focus {
-    background-color: #449d44; }
+    background-color: #2a602a; }
 
 .label-info {
   background-color: #5bc0de; }
@@ -16698,14 +16722,14 @@ span[data-flexitour="container"][x-placement="right"], span[data-flexitour="cont
     background-color: #31b0d5; }
 
 .label-warning {
-  background-color: #ff7518; }
+  background-color: #f0ad4e; }
   .label-warning[href]:hover, .label-warning[href]:focus {
-    background-color: #e45c00; }
+    background-color: #ec971f; }
 
 .label-important {
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
   .label-important[href]:hover, .label-important[href]:focus {
-    background-color: #c9302c; }
+    background-color: #b42c27; }
 
 .pull-left {
   float: left !important; }
@@ -16742,28 +16766,74 @@ body {
   border-radius: 50%; }
 
 .btn-outline-secondary {
-  color: #868e96;
+  color: #6c757d;
   background-color: transparent;
   background-image: none;
-  border-color: #868e96;
-  border-color: #dee2e6; }
+  border-color: #6c757d;
+  border-color: #6c757d; }
   .btn-outline-secondary:hover {
     color: #fff;
-    background-color: #868e96;
-    border-color: #868e96; }
+    background-color: #6c757d;
+    border-color: #6c757d; }
   .btn-outline-secondary:focus, .btn-outline-secondary.focus {
-    box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); }
   .btn-outline-secondary.disabled, .btn-outline-secondary:disabled {
-    color: #868e96;
+    color: #6c757d;
     background-color: transparent; }
   .btn-outline-secondary:not(:disabled):not(.disabled):active, .btn-outline-secondary:not(:disabled):not(.disabled).active,
   .show > .btn-outline-secondary.dropdown-toggle {
     color: #fff;
-    background-color: #868e96;
-    border-color: #868e96; }
+    background-color: #6c757d;
+    border-color: #6c757d; }
     .btn-outline-secondary:not(:disabled):not(.disabled):active:focus, .btn-outline-secondary:not(:disabled):not(.disabled).active:focus,
     .show > .btn-outline-secondary.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); }
+
+.btn-outline-info {
+  color: #1f7e9a;
+  background-color: transparent;
+  background-image: none;
+  border-color: #1f7e9a; }
+  .btn-outline-info:hover {
+    color: #fff;
+    background-color: #1f7e9a;
+    border-color: #1f7e9a; }
+  .btn-outline-info:focus, .btn-outline-info.focus {
+    box-shadow: 0 0 0 0.2rem rgba(31, 126, 154, 0.5); }
+  .btn-outline-info.disabled, .btn-outline-info:disabled {
+    color: #1f7e9a;
+    background-color: transparent; }
+  .btn-outline-info:not(:disabled):not(.disabled):active, .btn-outline-info:not(:disabled):not(.disabled).active,
+  .show > .btn-outline-info.dropdown-toggle {
+    color: #fff;
+    background-color: #1f7e9a;
+    border-color: #1f7e9a; }
+    .btn-outline-info:not(:disabled):not(.disabled):active:focus, .btn-outline-info:not(:disabled):not(.disabled).active:focus,
+    .show > .btn-outline-info.dropdown-toggle:focus {
+      box-shadow: 0 0 0 0.2rem rgba(31, 126, 154, 0.5); }
+
+.btn-outline-warning {
+  color: #a6670e;
+  background-color: transparent;
+  background-image: none;
+  border-color: #a6670e; }
+  .btn-outline-warning:hover {
+    color: #fff;
+    background-color: #a6670e;
+    border-color: #a6670e; }
+  .btn-outline-warning:focus, .btn-outline-warning.focus {
+    box-shadow: 0 0 0 0.2rem rgba(166, 103, 14, 0.5); }
+  .btn-outline-warning.disabled, .btn-outline-warning:disabled {
+    color: #a6670e;
+    background-color: transparent; }
+  .btn-outline-warning:not(:disabled):not(.disabled):active, .btn-outline-warning:not(:disabled):not(.disabled).active,
+  .show > .btn-outline-warning.dropdown-toggle {
+    color: #fff;
+    background-color: #a6670e;
+    border-color: #a6670e; }
+    .btn-outline-warning:not(:disabled):not(.disabled):active:focus, .btn-outline-warning:not(:disabled):not(.disabled).active:focus,
+    .show > .btn-outline-warning.dropdown-toggle:focus {
+      box-shadow: 0 0 0 0.2rem rgba(166, 103, 14, 0.5); }
 
 .bg-gray {
   background-color: #e9ecef !important; }
diff --git a/theme/classic/scss/preset/default.scss b/theme/classic/scss/preset/default.scss
index 4344355d918..4059751f6a3 100644
--- a/theme/classic/scss/preset/default.scss
+++ b/theme/classic/scss/preset/default.scss
@@ -1,14 +1,13 @@
 // Bootstrap variables
-
 $white:    #fff !default;
 $gray-100: #f8f9fa !default;
 $gray-200: #e9ecef !default;
 $gray-300: #dee2e6 !default;
 $gray-400: #ced4da !default;
 $gray-500: #adb5bd !default;
-$gray-600: #868e96 !default;
+$gray-600: #6c757d !default;
 $gray-700: #495057 !default;
-$gray-800: #373a3c !default;
+$gray-800: #343a40 !default;
 $gray-900: #212529 !default;
 $black:    #000 !default;
 
@@ -16,21 +15,22 @@ $blue:    #1177d1 !default;
 $indigo:  #6610f2 !default;
 $purple:  #613d7c !default;
 $pink:    #e83e8c !default;
-$red:     #d9534f !default;
+$red:     #d43f3a !default;
 $orange:  #f0ad4e !default;
 $yellow:  #ff7518 !default;
-$green:   #5cb85c !default;
+$green:   #398439 !default;
 $teal:    #20c997 !default;
 $cyan:    #5bc0de !default;
 
 $primary:       $blue !default;
-$secondary:     $gray-800 !default;
 $success:       $green !default;
 $info:          $cyan !default;
-$warning:       $yellow !default;
+$warning:       $orange !default;
 $danger:        $red !default;
-$light:         $gray-100 !default;
-$dark:          $gray-800 !default;
+$secondary:     $gray-400 !default;
+
+$info-outline:    #1f7e9a;
+$warning-outline: #a6670e;
 
 // Options
 $enable-rounded: true !default;
@@ -64,13 +64,11 @@ $card-group-margin: .25rem;
 $theme-colors: () !default;
 $theme-colors: map-merge((
     primary: $primary,
-    secondary: $gray-200,
+    secondary: $secondary,
     success: $success,
     info: $info,
-    warning: $orange,
+    warning: $warning,
     danger: $danger,
-    light: $gray-100,
-    dark: $gray-800
 ), $theme-colors);
 // stylelint-enable
 
@@ -110,5 +108,13 @@ $theme-colors: map-merge((
 // for an outline button.
 .btn-outline-secondary {
     @include button-outline-variant($gray-600);
-    border-color: $border-color;
-}
\ No newline at end of file
+    border-color: $gray-600;
+}
+
+.btn-outline-info {
+    @include button-outline-variant($info-outline);
+}
+
+.btn-outline-warning {
+    @include button-outline-variant($warning-outline);
+}
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 64c3589ff41..2cb05cbb2d7 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -2337,23 +2337,23 @@
   --indigo: #6610f2;
   --purple: #613d7c;
   --pink: #e83e8c;
-  --red: #d9534f;
+  --red: #d43f3a;
   --orange: #f0ad4e;
   --yellow: #ff7518;
-  --green: #5cb85c;
+  --green: #398439;
   --teal: #20c997;
   --cyan: #5bc0de;
   --white: #fff;
-  --gray: #868e96;
-  --gray-dark: #373a3c;
+  --gray: #6c757d;
+  --gray-dark: #343a40;
   --primary: #1177d1;
-  --secondary: #e9ecef;
-  --success: #5cb85c;
+  --secondary: #ced4da;
+  --success: #398439;
   --info: #5bc0de;
   --warning: #f0ad4e;
-  --danger: #d9534f;
+  --danger: #d43f3a;
   --light: #f8f9fa;
-  --dark: #373a3c;
+  --dark: #343a40;
   --breakpoint-xs: 0;
   --breakpoint-sm: 576px;
   --breakpoint-md: 768px;
@@ -2387,7 +2387,7 @@ body {
   font-size: 0.9375rem;
   font-weight: 400;
   line-height: 1.5;
-  color: #373a3c;
+  color: #343a40;
   text-align: left;
   background-color: #fff; }
 
@@ -2511,7 +2511,7 @@ table {
 caption {
   padding-top: 0.75rem;
   padding-bottom: 0.75rem;
-  color: #868e96;
+  color: #6c757d;
   text-align: left;
   caption-side: bottom; }
 
@@ -2715,7 +2715,7 @@ mark,
 .blockquote-footer {
   display: block;
   font-size: 80%;
-  color: #868e96; }
+  color: #6c757d; }
   .blockquote-footer::before {
     content: "\2014 \00A0"; }
 
@@ -2740,7 +2740,7 @@ mark,
 
 .figure-caption {
   font-size: 90%;
-  color: #868e96; }
+  color: #6c757d; }
 
 code,
 kbd,
@@ -3443,10 +3443,10 @@ table#listdirectories td {
 .table-secondary,
 .table-secondary > th,
 .table-secondary > td {
-  background-color: #f9fafb; }
+  background-color: #f1f3f5; }
 
 .table-hover .table-secondary:hover, table.grading-report .table-secondary:hover, .forumheaderlist .table-secondary:hover, .generaltable .table-secondary:hover, table.flexible .table-secondary:hover, .category_subcategories .table-secondary:hover, table#modules .table-secondary:hover, table#permissions .table-secondary:hover {
-  background-color: #eaedf1; }
+  background-color: #e2e6ea; }
   .table-hover .table-secondary:hover > td, table.grading-report .table-secondary:hover > td, .forumheaderlist .table-secondary:hover > td, .generaltable .table-secondary:hover > td, table.flexible .table-secondary:hover > td, .category_subcategories .table-secondary:hover > td, table#modules .table-secondary:hover > td, table#permissions .table-secondary:hover > td,
   .table-hover .table-secondary:hover > th,
   table.grading-report .table-secondary:hover > th,
@@ -3456,15 +3456,15 @@ table#listdirectories td {
   .category_subcategories .table-secondary:hover > th,
   table#modules .table-secondary:hover > th,
   table#permissions .table-secondary:hover > th {
-    background-color: #eaedf1; }
+    background-color: #e2e6ea; }
 
 .table-success,
 .table-success > th,
 .table-success > td {
-  background-color: #d1ebd1; }
+  background-color: #c8ddc8; }
 
 .table-hover .table-success:hover, table.grading-report .table-success:hover, .forumheaderlist .table-success:hover, .generaltable .table-success:hover, table.flexible .table-success:hover, .category_subcategories .table-success:hover, table#modules .table-success:hover, table#permissions .table-success:hover {
-  background-color: #bfe3bf; }
+  background-color: #b8d3b8; }
   .table-hover .table-success:hover > td, table.grading-report .table-success:hover > td, .forumheaderlist .table-success:hover > td, .generaltable .table-success:hover > td, table.flexible .table-success:hover > td, .category_subcategories .table-success:hover > td, table#modules .table-success:hover > td, table#permissions .table-success:hover > td,
   .table-hover .table-success:hover > th,
   table.grading-report .table-success:hover > th,
@@ -3474,7 +3474,7 @@ table#listdirectories td {
   .category_subcategories .table-success:hover > th,
   table#modules .table-success:hover > th,
   table#permissions .table-success:hover > th {
-    background-color: #bfe3bf; }
+    background-color: #b8d3b8; }
 
 .table-info,
 .table-info > th,
@@ -3533,10 +3533,10 @@ table#listdirectories td {
 .table-danger,
 .table-danger > th,
 .table-danger > td {
-  background-color: #f4cfce; }
+  background-color: #f3c9c8; }
 
 .table-hover .table-danger:hover, table.grading-report .table-danger:hover, .forumheaderlist .table-danger:hover, .generaltable .table-danger:hover, table.flexible .table-danger:hover, .category_subcategories .table-danger:hover, table#modules .table-danger:hover, table#permissions .table-danger:hover {
-  background-color: #efbbb9; }
+  background-color: #eeb4b3; }
   .table-hover .table-danger:hover > td, table.grading-report .table-danger:hover > td, .forumheaderlist .table-danger:hover > td, .generaltable .table-danger:hover > td, table.flexible .table-danger:hover > td, .category_subcategories .table-danger:hover > td, table#modules .table-danger:hover > td, table#permissions .table-danger:hover > td,
   .table-hover .table-danger:hover > th,
   table.grading-report .table-danger:hover > th,
@@ -3546,7 +3546,7 @@ table#listdirectories td {
   .category_subcategories .table-danger:hover > th,
   table#modules .table-danger:hover > th,
   table#permissions .table-danger:hover > th {
-    background-color: #efbbb9; }
+    background-color: #eeb4b3; }
 
 .table-light,
 .table-light > th,
@@ -3569,10 +3569,10 @@ table#listdirectories td {
 .table-dark,
 .table-dark > th,
 .table-dark > td {
-  background-color: #c7c8c8; }
+  background-color: #c6c8ca; }
 
 .table-hover .table-dark:hover, table.grading-report .table-dark:hover, .forumheaderlist .table-dark:hover, .generaltable .table-dark:hover, table.flexible .table-dark:hover, .category_subcategories .table-dark:hover, table#modules .table-dark:hover, table#permissions .table-dark:hover {
-  background-color: #babbbb; }
+  background-color: #b9bbbe; }
   .table-hover .table-dark:hover > td, table.grading-report .table-dark:hover > td, .forumheaderlist .table-dark:hover > td, .generaltable .table-dark:hover > td, table.flexible .table-dark:hover > td, .category_subcategories .table-dark:hover > td, table#modules .table-dark:hover > td, table#permissions .table-dark:hover > td,
   .table-hover .table-dark:hover > th,
   table.grading-report .table-dark:hover > th,
@@ -3582,7 +3582,7 @@ table#listdirectories td {
   .category_subcategories .table-dark:hover > th,
   table#modules .table-dark:hover > th,
   table#permissions .table-dark:hover > th {
-    background-color: #babbbb; }
+    background-color: #b9bbbe; }
 
 .table-active,
 .table-active > th,
@@ -3697,7 +3697,7 @@ table#listdirectories td {
     outline: 0;
     box-shadow: 0 0 0 0.2rem rgba(17, 119, 209, 0.25); }
   .form-control::placeholder {
-    color: #868e96;
+    color: #6c757d;
     opacity: 1; }
   .form-control:disabled, .form-control[readonly] {
     background-color: #e9ecef;
@@ -3820,7 +3820,7 @@ div.backup-section + form {
   margin-top: 0.3rem;
   margin-left: -1.25rem; }
   .form-check-input:disabled ~ .form-check-label {
-    color: #868e96; }
+    color: #6c757d; }
 
 .form-check-label {
   margin-bottom: 0; }
@@ -3841,7 +3841,7 @@ div.backup-section + form {
   width: 100%;
   margin-top: 0.25rem;
   font-size: 80%;
-  color: #5cb85c; }
+  color: #398439; }
 
 .valid-tooltip {
   position: absolute;
@@ -3854,18 +3854,18 @@ div.backup-section + form {
   font-size: .875rem;
   line-height: 1;
   color: #fff;
-  background-color: rgba(92, 184, 92, 0.8);
+  background-color: rgba(57, 132, 57, 0.8);
   border-radius: .2rem; }
 
 .was-validated .form-control:valid, .form-control.is-valid, .was-validated
 .custom-select:valid,
 .custom-select.is-valid {
-  border-color: #5cb85c; }
+  border-color: #398439; }
   .was-validated .form-control:valid:focus, .form-control.is-valid:focus, .was-validated
   .custom-select:valid:focus,
   .custom-select.is-valid:focus {
-    border-color: #5cb85c;
-    box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.25); }
+    border-color: #398439;
+    box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.25); }
   .was-validated .form-control:valid ~ .valid-feedback,
   .was-validated .form-control:valid ~ .valid-tooltip, .form-control.is-valid ~ .valid-feedback,
   .form-control.is-valid ~ .valid-tooltip, .was-validated
@@ -3877,7 +3877,7 @@ div.backup-section + form {
     display: block; }
 
 .was-validated .form-check-input:valid ~ .form-check-label, .form-check-input.is-valid ~ .form-check-label {
-  color: #5cb85c; }
+  color: #398439; }
 
 .was-validated .form-check-input:valid ~ .valid-feedback,
 .was-validated .form-check-input:valid ~ .valid-tooltip, .form-check-input.is-valid ~ .valid-feedback,
@@ -3885,9 +3885,9 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-control-input:valid ~ .custom-control-label, .custom-control-input.is-valid ~ .custom-control-label {
-  color: #5cb85c; }
+  color: #398439; }
   .was-validated .custom-control-input:valid ~ .custom-control-label::before, .custom-control-input.is-valid ~ .custom-control-label::before {
-    background-color: #b5dfb5; }
+    background-color: #78c578; }
 
 .was-validated .custom-control-input:valid ~ .valid-feedback,
 .was-validated .custom-control-input:valid ~ .valid-tooltip, .custom-control-input.is-valid ~ .valid-feedback,
@@ -3895,13 +3895,13 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-control-input:valid:checked ~ .custom-control-label::before, .custom-control-input.is-valid:checked ~ .custom-control-label::before {
-  background-color: #80c780; }
+  background-color: #48a848; }
 
 .was-validated .custom-control-input:valid:focus ~ .custom-control-label::before, .custom-control-input.is-valid:focus ~ .custom-control-label::before {
-  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(92, 184, 92, 0.25); }
+  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(57, 132, 57, 0.25); }
 
 .was-validated .custom-file-input:valid ~ .custom-file-label, .custom-file-input.is-valid ~ .custom-file-label {
-  border-color: #5cb85c; }
+  border-color: #398439; }
   .was-validated .custom-file-input:valid ~ .custom-file-label::before, .custom-file-input.is-valid ~ .custom-file-label::before {
     border-color: inherit; }
 
@@ -3911,14 +3911,14 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-file-input:valid:focus ~ .custom-file-label, .custom-file-input.is-valid:focus ~ .custom-file-label {
-  box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.25); }
+  box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.25); }
 
 .invalid-feedback {
   display: none;
   width: 100%;
   margin-top: 0.25rem;
   font-size: 80%;
-  color: #d9534f; }
+  color: #d43f3a; }
 
 .invalid-tooltip {
   position: absolute;
@@ -3931,18 +3931,18 @@ div.backup-section + form {
   font-size: .875rem;
   line-height: 1;
   color: #fff;
-  background-color: rgba(217, 83, 79, 0.8);
+  background-color: rgba(212, 63, 58, 0.8);
   border-radius: .2rem; }
 
 .was-validated .form-control:invalid, .form-control.is-invalid, .was-validated
 .custom-select:invalid,
 .custom-select.is-invalid {
-  border-color: #d9534f; }
+  border-color: #d43f3a; }
   .was-validated .form-control:invalid:focus, .form-control.is-invalid:focus, .was-validated
   .custom-select:invalid:focus,
   .custom-select.is-invalid:focus {
-    border-color: #d9534f;
-    box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.25); }
+    border-color: #d43f3a;
+    box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.25); }
   .was-validated .form-control:invalid ~ .invalid-feedback,
   .was-validated .form-control:invalid ~ .invalid-tooltip, .form-control.is-invalid ~ .invalid-feedback,
   .form-control.is-invalid ~ .invalid-tooltip, .was-validated
@@ -3954,7 +3954,7 @@ div.backup-section + form {
     display: block; }
 
 .was-validated .form-check-input:invalid ~ .form-check-label, .form-check-input.is-invalid ~ .form-check-label {
-  color: #d9534f; }
+  color: #d43f3a; }
 
 .was-validated .form-check-input:invalid ~ .invalid-feedback,
 .was-validated .form-check-input:invalid ~ .invalid-tooltip, .form-check-input.is-invalid ~ .invalid-feedback,
@@ -3962,9 +3962,9 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-control-input:invalid ~ .custom-control-label, .custom-control-input.is-invalid ~ .custom-control-label {
-  color: #d9534f; }
+  color: #d43f3a; }
   .was-validated .custom-control-input:invalid ~ .custom-control-label::before, .custom-control-input.is-invalid ~ .custom-control-label::before {
-    background-color: #f0b9b8; }
+    background-color: #eba5a3; }
 
 .was-validated .custom-control-input:invalid ~ .invalid-feedback,
 .was-validated .custom-control-input:invalid ~ .invalid-tooltip, .custom-control-input.is-invalid ~ .invalid-feedback,
@@ -3972,13 +3972,13 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-control-input:invalid:checked ~ .custom-control-label::before, .custom-control-input.is-invalid:checked ~ .custom-control-label::before {
-  background-color: #e27c79; }
+  background-color: #dd6864; }
 
 .was-validated .custom-control-input:invalid:focus ~ .custom-control-label::before, .custom-control-input.is-invalid:focus ~ .custom-control-label::before {
-  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(217, 83, 79, 0.25); }
+  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(212, 63, 58, 0.25); }
 
 .was-validated .custom-file-input:invalid ~ .custom-file-label, .custom-file-input.is-invalid ~ .custom-file-label {
-  border-color: #d9534f; }
+  border-color: #d43f3a; }
   .was-validated .custom-file-input:invalid ~ .custom-file-label::before, .custom-file-input.is-invalid ~ .custom-file-label::before {
     border-color: inherit; }
 
@@ -3988,7 +3988,7 @@ div.backup-section + form {
   display: block; }
 
 .was-validated .custom-file-input:invalid:focus ~ .custom-file-label, .custom-file-input.is-invalid:focus ~ .custom-file-label {
-  box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.25); }
+  box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.25); }
 
 .form-inline {
   display: flex;
@@ -4094,51 +4094,51 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
 
 .btn-secondary, .btn-default {
   color: #212529;
-  background-color: #e9ecef;
-  border-color: #e9ecef; }
+  background-color: #ced4da;
+  border-color: #ced4da; }
   .btn-secondary:hover, .btn-default:hover {
     color: #212529;
-    background-color: #d3d9df;
-    border-color: #cbd3da; }
+    background-color: #b8c1ca;
+    border-color: #b1bbc4; }
   .btn-secondary:focus, .btn-default:focus, .btn-secondary.focus, .focus.btn-default {
-    box-shadow: 0 0 0 0.2rem rgba(233, 236, 239, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(206, 212, 218, 0.5); }
   .btn-secondary.disabled, .fp-viewbar.disabled a, .disabled.btn-default, .btn-secondary:disabled, .btn-default:disabled {
     color: #212529;
-    background-color: #e9ecef;
-    border-color: #e9ecef; }
+    background-color: #ced4da;
+    border-color: #ced4da; }
   .btn-secondary:not(:disabled):not(.disabled):active, .btn-default:not(:disabled):not(.disabled):active, .btn-secondary:not(:disabled):not(.disabled).active, .fp-viewbar:not(.disabled) a.checked:not(:disabled):not(.disabled), .btn-default:not(:disabled):not(.disabled).active,
   .show > .btn-secondary.dropdown-toggle,
   .show > .dropdown-toggle.btn-default {
     color: #212529;
-    background-color: #cbd3da;
-    border-color: #c4ccd4; }
+    background-color: #b1bbc4;
+    border-color: #aab4bf; }
     .btn-secondary:not(:disabled):not(.disabled):active:focus, .btn-default:not(:disabled):not(.disabled):active:focus, .btn-secondary:not(:disabled):not(.disabled).active:focus, .fp-viewbar:not(.disabled) a.checked:not(:disabled):not(.disabled):focus, .btn-default:not(:disabled):not(.disabled).active:focus,
     .show > .btn-secondary.dropdown-toggle:focus,
     .show > .dropdown-toggle.btn-default:focus {
-      box-shadow: 0 0 0 0.2rem rgba(233, 236, 239, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(206, 212, 218, 0.5); }
 
 .btn-success {
   color: #fff;
-  background-color: #5cb85c;
-  border-color: #5cb85c; }
+  background-color: #398439;
+  border-color: #398439; }
   .btn-success:hover {
     color: #fff;
-    background-color: #48a648;
-    border-color: #449d44; }
+    background-color: #2d692d;
+    border-color: #2a602a; }
   .btn-success:focus, .btn-success.focus {
-    box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.5); }
   .btn-success.disabled, .btn-success:disabled {
     color: #fff;
-    background-color: #5cb85c;
-    border-color: #5cb85c; }
+    background-color: #398439;
+    border-color: #398439; }
   .btn-success:not(:disabled):not(.disabled):active, .btn-success:not(:disabled):not(.disabled).active,
   .show > .btn-success.dropdown-toggle {
     color: #fff;
-    background-color: #449d44;
-    border-color: #409440; }
+    background-color: #2a602a;
+    border-color: #265726; }
     .btn-success:not(:disabled):not(.disabled):active:focus, .btn-success:not(:disabled):not(.disabled).active:focus,
     .show > .btn-success.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.5); }
 
 .btn-info {
   color: #212529;
@@ -4188,26 +4188,26 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
 
 .btn-danger {
   color: #fff;
-  background-color: #d9534f;
-  border-color: #d9534f; }
+  background-color: #d43f3a;
+  border-color: #d43f3a; }
   .btn-danger:hover {
     color: #fff;
-    background-color: #d23430;
-    border-color: #c9302c; }
+    background-color: #be2e2a;
+    border-color: #b42c27; }
   .btn-danger:focus, .btn-danger.focus {
-    box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.5); }
   .btn-danger.disabled, .btn-danger:disabled {
     color: #fff;
-    background-color: #d9534f;
-    border-color: #d9534f; }
+    background-color: #d43f3a;
+    border-color: #d43f3a; }
   .btn-danger:not(:disabled):not(.disabled):active, .btn-danger:not(:disabled):not(.disabled).active,
   .show > .btn-danger.dropdown-toggle {
     color: #fff;
-    background-color: #c9302c;
-    border-color: #bf2e29; }
+    background-color: #b42c27;
+    border-color: #a92925; }
     .btn-danger:not(:disabled):not(.disabled):active:focus, .btn-danger:not(:disabled):not(.disabled).active:focus,
     .show > .btn-danger.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.5); }
 
 .btn-light {
   color: #212529;
@@ -4234,26 +4234,26 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
 
 .btn-dark {
   color: #fff;
-  background-color: #373a3c;
-  border-color: #373a3c; }
+  background-color: #343a40;
+  border-color: #343a40; }
   .btn-dark:hover {
     color: #fff;
-    background-color: #252728;
-    border-color: #1f2021; }
+    background-color: #23272b;
+    border-color: #1d2124; }
   .btn-dark:focus, .btn-dark.focus {
-    box-shadow: 0 0 0 0.2rem rgba(55, 58, 60, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); }
   .btn-dark.disabled, .btn-dark:disabled {
     color: #fff;
-    background-color: #373a3c;
-    border-color: #373a3c; }
+    background-color: #343a40;
+    border-color: #343a40; }
   .btn-dark:not(:disabled):not(.disabled):active, .btn-dark:not(:disabled):not(.disabled).active,
   .show > .btn-dark.dropdown-toggle {
     color: #fff;
-    background-color: #1f2021;
-    border-color: #191a1b; }
+    background-color: #1d2124;
+    border-color: #171a1d; }
     .btn-dark:not(:disabled):not(.disabled):active:focus, .btn-dark:not(:disabled):not(.disabled).active:focus,
     .show > .btn-dark.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(55, 58, 60, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); }
 
 .btn-outline-primary {
   color: #1177d1;
@@ -4279,50 +4279,50 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
       box-shadow: 0 0 0 0.2rem rgba(17, 119, 209, 0.5); }
 
 .btn-outline-secondary {
-  color: #e9ecef;
+  color: #ced4da;
   background-color: transparent;
   background-image: none;
-  border-color: #e9ecef; }
+  border-color: #ced4da; }
   .btn-outline-secondary:hover {
     color: #212529;
-    background-color: #e9ecef;
-    border-color: #e9ecef; }
+    background-color: #ced4da;
+    border-color: #ced4da; }
   .btn-outline-secondary:focus, .btn-outline-secondary.focus {
-    box-shadow: 0 0 0 0.2rem rgba(233, 236, 239, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(206, 212, 218, 0.5); }
   .btn-outline-secondary.disabled, .btn-outline-secondary:disabled {
-    color: #e9ecef;
+    color: #ced4da;
     background-color: transparent; }
   .btn-outline-secondary:not(:disabled):not(.disabled):active, .btn-outline-secondary:not(:disabled):not(.disabled).active,
   .show > .btn-outline-secondary.dropdown-toggle {
     color: #212529;
-    background-color: #e9ecef;
-    border-color: #e9ecef; }
+    background-color: #ced4da;
+    border-color: #ced4da; }
     .btn-outline-secondary:not(:disabled):not(.disabled):active:focus, .btn-outline-secondary:not(:disabled):not(.disabled).active:focus,
     .show > .btn-outline-secondary.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(233, 236, 239, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(206, 212, 218, 0.5); }
 
 .btn-outline-success {
-  color: #5cb85c;
+  color: #398439;
   background-color: transparent;
   background-image: none;
-  border-color: #5cb85c; }
+  border-color: #398439; }
   .btn-outline-success:hover {
     color: #fff;
-    background-color: #5cb85c;
-    border-color: #5cb85c; }
+    background-color: #398439;
+    border-color: #398439; }
   .btn-outline-success:focus, .btn-outline-success.focus {
-    box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.5); }
   .btn-outline-success.disabled, .btn-outline-success:disabled {
-    color: #5cb85c;
+    color: #398439;
     background-color: transparent; }
   .btn-outline-success:not(:disabled):not(.disabled):active, .btn-outline-success:not(:disabled):not(.disabled).active,
   .show > .btn-outline-success.dropdown-toggle {
     color: #fff;
-    background-color: #5cb85c;
-    border-color: #5cb85c; }
+    background-color: #398439;
+    border-color: #398439; }
     .btn-outline-success:not(:disabled):not(.disabled):active:focus, .btn-outline-success:not(:disabled):not(.disabled).active:focus,
     .show > .btn-outline-success.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(92, 184, 92, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(57, 132, 57, 0.5); }
 
 .btn-outline-info {
   color: #5bc0de;
@@ -4371,27 +4371,27 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
       box-shadow: 0 0 0 0.2rem rgba(240, 173, 78, 0.5); }
 
 .btn-outline-danger {
-  color: #d9534f;
+  color: #d43f3a;
   background-color: transparent;
   background-image: none;
-  border-color: #d9534f; }
+  border-color: #d43f3a; }
   .btn-outline-danger:hover {
     color: #fff;
-    background-color: #d9534f;
-    border-color: #d9534f; }
+    background-color: #d43f3a;
+    border-color: #d43f3a; }
   .btn-outline-danger:focus, .btn-outline-danger.focus {
-    box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.5); }
   .btn-outline-danger.disabled, .btn-outline-danger:disabled {
-    color: #d9534f;
+    color: #d43f3a;
     background-color: transparent; }
   .btn-outline-danger:not(:disabled):not(.disabled):active, .btn-outline-danger:not(:disabled):not(.disabled).active,
   .show > .btn-outline-danger.dropdown-toggle {
     color: #fff;
-    background-color: #d9534f;
-    border-color: #d9534f; }
+    background-color: #d43f3a;
+    border-color: #d43f3a; }
     .btn-outline-danger:not(:disabled):not(.disabled):active:focus, .btn-outline-danger:not(:disabled):not(.disabled).active:focus,
     .show > .btn-outline-danger.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(217, 83, 79, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(212, 63, 58, 0.5); }
 
 .btn-outline-light {
   color: #f8f9fa;
@@ -4417,27 +4417,27 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
       box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5); }
 
 .btn-outline-dark {
-  color: #373a3c;
+  color: #343a40;
   background-color: transparent;
   background-image: none;
-  border-color: #373a3c; }
+  border-color: #343a40; }
   .btn-outline-dark:hover {
     color: #fff;
-    background-color: #373a3c;
-    border-color: #373a3c; }
+    background-color: #343a40;
+    border-color: #343a40; }
   .btn-outline-dark:focus, .btn-outline-dark.focus {
-    box-shadow: 0 0 0 0.2rem rgba(55, 58, 60, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); }
   .btn-outline-dark.disabled, .btn-outline-dark:disabled {
-    color: #373a3c;
+    color: #343a40;
     background-color: transparent; }
   .btn-outline-dark:not(:disabled):not(.disabled):active, .btn-outline-dark:not(:disabled):not(.disabled).active,
   .show > .btn-outline-dark.dropdown-toggle {
     color: #fff;
-    background-color: #373a3c;
-    border-color: #373a3c; }
+    background-color: #343a40;
+    border-color: #343a40; }
     .btn-outline-dark:not(:disabled):not(.disabled):active:focus, .btn-outline-dark:not(:disabled):not(.disabled).active:focus,
     .show > .btn-outline-dark.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(55, 58, 60, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5); }
 
 .btn-link {
   font-weight: 400;
@@ -4453,7 +4453,7 @@ fieldset:disabled #rubric-rubric.gradingform_rubric a.addcriterion,
     border-color: transparent;
     box-shadow: none; }
   .btn-link:disabled, .btn-link.disabled {
-    color: #868e96; }
+    color: #6c757d; }
 
 .btn-lg, .btn-group-lg > .btn, #rubric-rubric.gradingform_rubric #rubric-criteria .criterion .addlevel .btn-group-lg > input, #rubric-rubric.gradingform_rubric .btn-group-lg > .addcriterion, #page-grade-grading-manage .actions .action {
   padding: 0.5rem 1rem;
@@ -4541,7 +4541,7 @@ tbody.collapse.show {
   padding: 0.5rem 0;
   margin: 0.125rem 0 0;
   font-size: 0.9375rem;
-  color: #373a3c;
+  color: #343a40;
   text-align: left;
   list-style: none;
   background-color: #fff;
@@ -4647,7 +4647,7 @@ tbody.collapse.show {
     text-decoration: none;
     background-color: #1177d1; }
   .dropdown-item.disabled, .dropdown-item:disabled {
-    color: #868e96;
+    color: #6c757d;
     background-color: transparent; }
 
 .dropdown-menu.show {
@@ -4658,7 +4658,7 @@ tbody.collapse.show {
   padding: 0.5rem 1.5rem;
   margin-bottom: 0;
   font-size: 0.8203125rem;
-  color: #868e96;
+  color: #6c757d;
   white-space: nowrap; }
 
 .btn-group,
@@ -5073,7 +5073,7 @@ tbody.collapse.show {
     color: #fff;
     background-color: #9dcdf7; }
   .custom-control-input:disabled ~ .custom-control-label {
-    color: #868e96; }
+    color: #6c757d; }
     .custom-control-input:disabled ~ .custom-control-label::before {
       background-color: #e9ecef; }
 
@@ -5143,7 +5143,7 @@ tbody.collapse.show {
   line-height: 1.5;
   color: #495057;
   vertical-align: middle;
-  background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23373a3c' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right 0.75rem center;
+  background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right 0.75rem center;
   background-size: 8px 10px;
   border: 1px solid #ced4da;
   border-radius: 0.25rem;
@@ -5160,7 +5160,7 @@ tbody.collapse.show {
     padding-right: 0.75rem;
     background-image: none; }
   .custom-select:disabled {
-    color: #868e96;
+    color: #6c757d;
     background-color: #e9ecef; }
   .custom-select::-ms-expand {
     opacity: 0; }
@@ -5241,7 +5241,7 @@ tbody.collapse.show {
   .nav-link:hover, .nav-link:focus {
     text-decoration: none; }
   .nav-link.disabled {
-    color: #868e96; }
+    color: #6c757d; }
 
 .nav-tabs {
   border-bottom: 1px solid #dee2e6; }
@@ -5254,7 +5254,7 @@ tbody.collapse.show {
     .nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus {
       border-color: #e9ecef #e9ecef #dee2e6; }
     .nav-tabs .nav-link.disabled {
-      color: #868e96;
+      color: #6c757d;
       background-color: transparent;
       border-color: transparent; }
   .nav-tabs .nav-link.active,
@@ -5806,7 +5806,7 @@ tbody.collapse.show {
   display: inline-block;
   padding-right: 0.5rem;
   padding-left: 0.5rem;
-  color: #868e96;
+  color: #6c757d;
   content: "/"; }
 
 .breadcrumb-item + .breadcrumb-item:hover::before {
@@ -5816,7 +5816,7 @@ tbody.collapse.show {
   text-decoration: none; }
 
 .breadcrumb-item.active {
-  color: #868e96; }
+  color: #6c757d; }
 
 .pagination {
   display: flex;
@@ -5861,7 +5861,7 @@ tbody.collapse.show {
   border-color: #1177d1; }
 
 .page-item.disabled .page-link {
-  color: #868e96;
+  color: #6c757d;
   pointer-events: none;
   cursor: auto;
   background-color: #fff;
@@ -5925,19 +5925,19 @@ tbody.collapse.show {
 
 .badge-secondary {
   color: #212529;
-  background-color: #e9ecef; }
+  background-color: #ced4da; }
   .badge-secondary[href]:hover, .badge-secondary[href]:focus {
     color: #212529;
     text-decoration: none;
-    background-color: #cbd3da; }
+    background-color: #b1bbc4; }
 
 .badge-success {
   color: #fff;
-  background-color: #5cb85c; }
+  background-color: #398439; }
   .badge-success[href]:hover, .badge-success[href]:focus {
     color: #fff;
     text-decoration: none;
-    background-color: #449d44; }
+    background-color: #2a602a; }
 
 .badge-info {
   color: #212529;
@@ -5957,11 +5957,11 @@ tbody.collapse.show {
 
 .badge-danger {
   color: #fff;
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
   .badge-danger[href]:hover, .badge-danger[href]:focus {
     color: #fff;
     text-decoration: none;
-    background-color: #c9302c; }
+    background-color: #b42c27; }
 
 .badge-light {
   color: #212529;
@@ -5973,11 +5973,11 @@ tbody.collapse.show {
 
 .badge-dark {
   color: #fff;
-  background-color: #373a3c; }
+  background-color: #343a40; }
   .badge-dark[href]:hover, .badge-dark[href]:focus {
     color: #fff;
     text-decoration: none;
-    background-color: #1f2021; }
+    background-color: #1d2124; }
 
 .jumbotron {
   padding: 2rem 1rem;
@@ -6029,23 +6029,23 @@ tbody.collapse.show {
     color: #05233e; }
 
 .alert-secondary {
-  color: #797b7c;
-  background-color: #fbfbfc;
-  border-color: #f9fafb; }
+  color: #6b6e71;
+  background-color: #f5f6f8;
+  border-color: #f1f3f5; }
   .alert-secondary hr {
-    border-top-color: #eaedf1; }
+    border-top-color: #e2e6ea; }
   .alert-secondary .alert-link {
-    color: #606162; }
+    color: #525557; }
 
 .alert-success,
 .que .comment {
-  color: #306030;
-  background-color: #def1de;
-  border-color: #d1ebd1; }
+  color: #1e451e;
+  background-color: #d7e6d7;
+  border-color: #c8ddc8; }
   .alert-success hr, .que .comment hr {
-    border-top-color: #bfe3bf; }
+    border-top-color: #b8d3b8; }
   .alert-success .alert-link, .que .comment .alert-link {
-    color: #1f3e1f; }
+    color: #0f210f; }
 
 .alert-info, #page-admin-index .releasenoteslink, #adminsettings .form-overridden, .que .formulation, .assignfeedback_editpdf_widget .label {
   color: #2f6473;
@@ -6070,13 +6070,13 @@ tbody.collapse.show {
 
 .alert-danger,
 #page-admin-index .adminerror {
-  color: #712b29;
-  background-color: #f7dddc;
-  border-color: #f4cfce; }
+  color: #6e211e;
+  background-color: #f6d9d8;
+  border-color: #f3c9c8; }
   .alert-danger hr, #page-admin-index .adminerror hr {
-    border-top-color: #efbbb9; }
+    border-top-color: #eeb4b3; }
   .alert-danger .alert-link, #page-admin-index .adminerror .alert-link {
-    color: #4c1d1b; }
+    color: #461513; }
 
 .alert-light {
   color: #818182;
@@ -6088,11 +6088,11 @@ tbody.collapse.show {
     color: #686868; }
 
 .alert-dark {
-  color: #1d1e1f;
-  background-color: #d7d8d8;
-  border-color: #c7c8c8; }
+  color: #1b1e21;
+  background-color: #d6d8d9;
+  border-color: #c6c8ca; }
   .alert-dark hr {
-    border-top-color: #babbbb; }
+    border-top-color: #b9bbbe; }
   .alert-dark .alert-link {
     color: #040505; }
 
@@ -6148,7 +6148,7 @@ tbody.collapse.show {
     text-decoration: none;
     background-color: #f8f9fa; }
   .list-group-item-action:active {
-    color: #373a3c;
+    color: #343a40;
     background-color: #e9ecef; }
 
 .list-group-item {
@@ -6169,7 +6169,7 @@ tbody.collapse.show {
     z-index: 1;
     text-decoration: none; }
   .list-group-item.disabled, .list-group-item:disabled {
-    color: #868e96;
+    color: #6c757d;
     background-color: #fff; }
   .list-group-item.active {
     z-index: 2;
@@ -6200,26 +6200,26 @@ tbody.collapse.show {
     border-color: #093e6d; }
 
 .list-group-item-secondary {
-  color: #797b7c;
-  background-color: #f9fafb; }
+  color: #6b6e71;
+  background-color: #f1f3f5; }
   .list-group-item-secondary.list-group-item-action:hover, .list-group-item-secondary.list-group-item-action:focus {
-    color: #797b7c;
-    background-color: #eaedf1; }
+    color: #6b6e71;
+    background-color: #e2e6ea; }
   .list-group-item-secondary.list-group-item-action.active {
     color: #fff;
-    background-color: #797b7c;
-    border-color: #797b7c; }
+    background-color: #6b6e71;
+    border-color: #6b6e71; }
 
 .list-group-item-success {
-  color: #306030;
-  background-color: #d1ebd1; }
+  color: #1e451e;
+  background-color: #c8ddc8; }
   .list-group-item-success.list-group-item-action:hover, .list-group-item-success.list-group-item-action:focus {
-    color: #306030;
-    background-color: #bfe3bf; }
+    color: #1e451e;
+    background-color: #b8d3b8; }
   .list-group-item-success.list-group-item-action.active {
     color: #fff;
-    background-color: #306030;
-    border-color: #306030; }
+    background-color: #1e451e;
+    border-color: #1e451e; }
 
 .list-group-item-info {
   color: #2f6473;
@@ -6244,15 +6244,15 @@ tbody.collapse.show {
     border-color: #7d5a29; }
 
 .list-group-item-danger {
-  color: #712b29;
-  background-color: #f4cfce; }
+  color: #6e211e;
+  background-color: #f3c9c8; }
   .list-group-item-danger.list-group-item-action:hover, .list-group-item-danger.list-group-item-action:focus {
-    color: #712b29;
-    background-color: #efbbb9; }
+    color: #6e211e;
+    background-color: #eeb4b3; }
   .list-group-item-danger.list-group-item-action.active {
     color: #fff;
-    background-color: #712b29;
-    border-color: #712b29; }
+    background-color: #6e211e;
+    border-color: #6e211e; }
 
 .list-group-item-light {
   color: #818182;
@@ -6266,15 +6266,15 @@ tbody.collapse.show {
     border-color: #818182; }
 
 .list-group-item-dark {
-  color: #1d1e1f;
-  background-color: #c7c8c8; }
+  color: #1b1e21;
+  background-color: #c6c8ca; }
   .list-group-item-dark.list-group-item-action:hover, .list-group-item-dark.list-group-item-action:focus {
-    color: #1d1e1f;
-    background-color: #babbbb; }
+    color: #1b1e21;
+    background-color: #b9bbbe; }
   .list-group-item-dark.list-group-item-action.active {
     color: #fff;
-    background-color: #1d1e1f;
-    border-color: #1d1e1f; }
+    background-color: #1b1e21;
+    border-color: #1b1e21; }
 
 .close, .moodle-dialogue-base .closebutton {
   float: right;
@@ -6628,7 +6628,7 @@ button.close, .moodle-dialogue-base button.closebutton {
 
 .popover-body {
   padding: 0.5rem 0.75rem;
-  color: #373a3c; }
+  color: #343a40; }
 
 /* rtl:end:ignore */
 .carousel {
@@ -6776,20 +6776,20 @@ button.bg-primary:focus {
   background-color: #0d5ca2 !important; }
 
 .bg-secondary {
-  background-color: #e9ecef !important; }
+  background-color: #ced4da !important; }
 
 a.bg-secondary:hover, a.bg-secondary:focus,
 button.bg-secondary:hover,
 button.bg-secondary:focus {
-  background-color: #cbd3da !important; }
+  background-color: #b1bbc4 !important; }
 
 .bg-success {
-  background-color: #5cb85c !important; }
+  background-color: #398439 !important; }
 
 a.bg-success:hover, a.bg-success:focus,
 button.bg-success:hover,
 button.bg-success:focus {
-  background-color: #449d44 !important; }
+  background-color: #2a602a !important; }
 
 .bg-info {
   background-color: #5bc0de !important; }
@@ -6808,12 +6808,12 @@ button.bg-warning:focus {
   background-color: #ec971f !important; }
 
 .bg-danger {
-  background-color: #d9534f !important; }
+  background-color: #d43f3a !important; }
 
 a.bg-danger:hover, a.bg-danger:focus,
 button.bg-danger:hover,
 button.bg-danger:focus {
-  background-color: #c9302c !important; }
+  background-color: #b42c27 !important; }
 
 .bg-light {
   background-color: #f8f9fa !important; }
@@ -6824,12 +6824,12 @@ button.bg-light:focus {
   background-color: #dae0e5 !important; }
 
 .bg-dark {
-  background-color: #373a3c !important; }
+  background-color: #343a40 !important; }
 
 a.bg-dark:hover, a.bg-dark:focus,
 button.bg-dark:hover,
 button.bg-dark:focus {
-  background-color: #1f2021 !important; }
+  background-color: #1d2124 !important; }
 
 .bg-white {
   background-color: #fff !important; }
@@ -6871,10 +6871,10 @@ button.bg-dark:focus {
   border-color: #1177d1 !important; }
 
 .border-secondary {
-  border-color: #e9ecef !important; }
+  border-color: #ced4da !important; }
 
 .border-success {
-  border-color: #5cb85c !important; }
+  border-color: #398439 !important; }
 
 .border-info {
   border-color: #5bc0de !important; }
@@ -6883,13 +6883,13 @@ button.bg-dark:focus {
   border-color: #f0ad4e !important; }
 
 .border-danger {
-  border-color: #d9534f !important; }
+  border-color: #d43f3a !important; }
 
 .border-light {
   border-color: #f8f9fa !important; }
 
 .border-dark {
-  border-color: #373a3c !important; }
+  border-color: #343a40 !important; }
 
 .border-white {
   border-color: #fff !important; }
@@ -8603,19 +8603,19 @@ a.text-primary:hover, a.text-primary:focus {
   color: #0d5ca2 !important; }
 
 .text-secondary {
-  color: #e9ecef !important; }
+  color: #ced4da !important; }
 
 a.text-secondary:hover, a.text-secondary:focus {
-  color: #cbd3da !important; }
+  color: #b1bbc4 !important; }
 
 .text-success, .green,
 .notifysuccess, .connected {
-  color: #5cb85c !important; }
+  color: #398439 !important; }
 
 a.text-success:hover, a.green:hover,
 a.notifysuccess:hover, a.connected:hover, a.text-success:focus, a.green:focus,
 a.notifysuccess:focus, a.connected:focus {
-  color: #449d44 !important; }
+  color: #2a602a !important; }
 
 .text-info, .highlight {
   color: #5bc0de !important; }
@@ -8640,10 +8640,10 @@ tr.flagged-tag a:focus, .moodle-dialogue-exception .param-stacktrace a.stacktrac
   color: #ec971f !important; }
 
 .text-danger, .notconnected, .que .validationerror, .text-error {
-  color: #d9534f !important; }
+  color: #d43f3a !important; }
 
 a.text-danger:hover, a.notconnected:hover, .que a.validationerror:hover, a.text-error:hover, a.text-danger:focus, a.notconnected:focus, .que a.validationerror:focus, a.text-error:focus {
-  color: #c9302c !important; }
+  color: #b42c27 !important; }
 
 .text-light {
   color: #f8f9fa !important; }
@@ -8652,10 +8652,10 @@ a.text-light:hover, a.text-light:focus {
   color: #dae0e5 !important; }
 
 .text-dark, #categoryquestions .highlight {
-  color: #373a3c !important; }
+  color: #343a40 !important; }
 
 a.text-dark:hover, #categoryquestions a.highlight:hover, a.text-dark:focus, #categoryquestions a.highlight:focus {
-  color: #1f2021 !important; }
+  color: #1d2124 !important; }
 
 .text-muted, a.dimmed,
 a.dimmed:link,
@@ -8677,7 +8677,7 @@ a.dimmed_text:visited,
 .course-content ul li.section.hidden .content > div.summary,
 .course-content ul li.section.hidden .activity .activityinstance, #course-category-listings .listitem[data-visible="0"], #course-category-listings .listitem[data-visible="0"] > div > a, #course-category-listings .listing-pagination-totals.dimmed, .fitem.disabled .fp-btn-choose, .form-defaultinfo,
 .form-label .form-shortname, .formsettingheading .form-horizontal, .no-felement.fstatic, .path-backup .backup_progress .backup_stage {
-  color: #868e96 !important; }
+  color: #6c757d !important; }
 
 .text-hide {
   font: 0/0 a;
@@ -8775,9 +8775,9 @@ a.dimmed_text:visited,
   background-size: calc(2.15625rem + 2px)/2 calc(2.15625rem + 2px)/2; }
 
 .tag-default {
-  background-color: #868e96; }
+  background-color: #6c757d; }
   .tag-default[href]:hover, .tag-default[href]:focus {
-    background-color: #6c757d; }
+    background-color: #545b62; }
 
 .tag-primary {
   background-color: #1177d1; }
@@ -8787,13 +8787,13 @@ a.dimmed_text:visited,
 .tag-success, .statusok, #page-admin-report-backups-index .backup-skipped,
 #page-admin-report-backups-index .backup-ok,
 #page-admin-report-backups-index .backup-notyetrun {
-  background-color: #5cb85c; }
+  background-color: #398439; }
   .tag-success[href]:hover, .statusok[href]:hover, #page-admin-report-backups-index .backup-skipped[href]:hover,
   #page-admin-report-backups-index .backup-ok[href]:hover,
   #page-admin-report-backups-index .backup-notyetrun[href]:hover, .tag-success[href]:focus, .statusok[href]:focus, #page-admin-report-backups-index .backup-skipped[href]:focus,
   #page-admin-report-backups-index .backup-ok[href]:focus,
   #page-admin-report-backups-index .backup-notyetrun[href]:focus {
-    background-color: #449d44; }
+    background-color: #2a602a; }
 
 .tag-info, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity200 .info.release {
   background-color: #5bc0de; }
@@ -8802,22 +8802,22 @@ a.dimmed_text:visited,
 
 .tag-warning, .statuswarning, #page-admin-report-backups-index .backup-warning, #page-admin-index .updateplugin .updatepluginconfirmexternal, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity100 .info.release,
 #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity150 .info.release {
-  background-color: #ff7518; }
+  background-color: #f0ad4e; }
   .tag-warning[href]:hover, .statuswarning[href]:hover, #page-admin-report-backups-index .backup-warning[href]:hover, #page-admin-index .updateplugin .updatepluginconfirmexternal[href]:hover, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity100 .info.release[href]:hover,
   #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity150 .info.release[href]:hover, .tag-warning[href]:focus, .statuswarning[href]:focus, #page-admin-report-backups-index .backup-warning[href]:focus, #page-admin-index .updateplugin .updatepluginconfirmexternal[href]:focus, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity100 .info.release[href]:focus,
   #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity150 .info.release[href]:focus {
-    background-color: #e45c00; }
+    background-color: #ec971f; }
 
 .tag-danger, .statusserious,
 .statuscritical, #page-admin-report-backups-index .backup-error,
 #page-admin-report-backups-index .backup-unfinished, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity50 .info.release {
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
   .tag-danger[href]:hover, .statusserious[href]:hover,
   .statuscritical[href]:hover, #page-admin-report-backups-index .backup-error[href]:hover,
   #page-admin-report-backups-index .backup-unfinished[href]:hover, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity50 .info.release[href]:hover, .tag-danger[href]:focus, .statusserious[href]:focus,
   .statuscritical[href]:focus, #page-admin-report-backups-index .backup-error[href]:focus,
   #page-admin-report-backups-index .backup-unfinished[href]:focus, #page-admin-index .adminwarning.availableupdatesinfo .moodleupdateinfo.maturity50 .info.release[href]:focus {
-    background-color: #c9302c; }
+    background-color: #b42c27; }
 
 .custom-select {
   width: auto; }
@@ -10368,7 +10368,7 @@ ul.badges {
   display: inline-block; }
 
 .statusbox.active {
-  background-color: #def1de; }
+  background-color: #d7e6d7; }
 
 .statusbox.inactive {
   background-color: #fcefdc; }
@@ -10616,7 +10616,7 @@ ul {
 .dropdown-item a {
   display: block;
   width: 100%;
-  color: #373a3c; }
+  color: #343a40; }
 
 .dropdown-item:active a {
   color: #fff; }
@@ -10758,7 +10758,7 @@ div.editor_atto_toolbar button .icon {
       outline: none;
       box-shadow: 0 0 0 0.2rem rgba(17, 119, 209, 0.25); }
     .switch input:disabled + label {
-      color: #868e96;
+      color: #6c757d;
       cursor: not-allowed; }
     .switch input:disabled + label::before {
       background-color: #e9ecef; }
@@ -10786,6 +10786,30 @@ div.editor_atto_toolbar button .icon {
   z-index: 1 !important;
   /* stylelint-disable-line declaration-no-important */ }
 
+.alert-primary a {
+  color: #05233e; }
+
+.alert-secondary a {
+  color: #525557; }
+
+.alert-success a, .que .comment a {
+  color: #0f210f; }
+
+.alert-info a, #page-admin-index .releasenoteslink a, #adminsettings .form-overridden a, .que .formulation a, .assignfeedback_editpdf_widget .label a {
+  color: #20454f; }
+
+.alert-warning a, #page-admin-index .adminwarning a, .uninstalldeleteconfirmexternal a, .que .outcome a, .que .comment a {
+  color: #573e1c; }
+
+.alert-danger a, #page-admin-index .adminerror a {
+  color: #461513; }
+
+.alert-light a {
+  color: #686868; }
+
+.alert-dark a {
+  color: #040505; }
+
 .icon {
   font-size: 16px;
   width: 16px;
@@ -10898,15 +10922,15 @@ div.editor_atto_toolbar button .icon {
 
 .environmenttable .warn {
   background-color: #fcefdc;
-  color: #ff7518; }
+  color: #f0ad4e; }
 
 .environmenttable .error {
-  background-color: #f7dddc;
-  color: #d9534f; }
+  background-color: #f6d9d8;
+  color: #d43f3a; }
 
 .environmenttable .ok {
-  background-color: #def1de;
-  color: #5cb85c; }
+  background-color: #d7e6d7;
+  color: #398439; }
 
 .path-admin .admintable.environmenttable .name,
 .path-admin .admintable.environmenttable .info,
@@ -11238,7 +11262,7 @@ div.editor_atto_toolbar button .icon {
   font-size: 0.8203125rem; }
 
 #page-admin-plugins #plugins-control-panel .uninstall a {
-  color: #d9534f; }
+  color: #d43f3a; }
 
 #page-admin-plugins #plugins-control-panel .notes .label {
   margin-right: 3px; }
@@ -11266,7 +11290,7 @@ div.editor_atto_toolbar button .icon {
 
 #plugins-check-page #plugins-check .status-missing td,
 #plugins-check-page #plugins-check .status-downgrade td {
-  background-color: #f7dddc; }
+  background-color: #f6d9d8; }
 
 #plugins-check-page #plugins-check .displayname .plugindir {
   font-size: 0.8203125rem; }
@@ -11313,7 +11337,7 @@ div.editor_atto_toolbar button .icon {
   border-radius: 5px; }
   #plugins-check-page .pluginupdateinfo.maturity50,
   #plugins-control-panel .pluginupdateinfo.maturity50 {
-    background-color: #f7dddc; }
+    background-color: #f6d9d8; }
   #plugins-check-page .pluginupdateinfo.maturity100, #plugins-check-page .pluginupdateinfo.maturity150,
   #plugins-control-panel .pluginupdateinfo.maturity100,
   #plugins-control-panel .pluginupdateinfo.maturity150 {
@@ -11412,7 +11436,7 @@ div.editor_atto_toolbar button .icon {
 
 #page-admin-tasklogs .task-class {
   font-size: 0.8203125rem;
-  color: #868e96; }
+  color: #6c757d; }
 
 .blockmovetarget .accesshide {
   position: relative;
@@ -11433,7 +11457,7 @@ div.editor_atto_toolbar button .icon {
 
 .block .block-controls .dropdown-toggle {
   /* So that the caret takes the colour of the icon. */
-  color: #373a3c; }
+  color: #343a40; }
 
 [data-region="blocks-column"] {
   width: 360px;
@@ -11664,7 +11688,7 @@ div.editor_atto_toolbar button .icon {
     margin-right: 2px; }
 
 .block.invisibleblock .card-title {
-  color: #868e96; }
+  color: #6c757d; }
 
 .navbar {
   max-height: 50px; }
@@ -13955,7 +13979,7 @@ a.ygtvspacer:hover {
       direction: ltr; }
   .message-app .matchtext {
     background-color: #b5d9f9;
-    color: #373a3c;
+    color: #343a40;
     height: 1.5rem; }
   .message-app .contact-status {
     position: absolute;
@@ -13966,7 +13990,7 @@ a.ygtvspacer:hover {
     border-radius: 50%; }
     .message-app .contact-status.online {
       border: 1px solid #fff;
-      background-color: #5cb85c; }
+      background-color: #398439; }
   .message-app .message p {
     margin: 0; }
   .message-app .clickable {
@@ -14054,7 +14078,7 @@ a.ygtvspacer:hover {
   .message-app .message.send .tail {
     right: 0;
     margin-right: -0.5rem;
-    border-bottom-color: #e9ecef; }
+    border-bottom-color: #ced4da; }
   .message-app .message.received .tail {
     left: 0;
     margin-left: -0.5rem;
@@ -14334,13 +14358,13 @@ body.path-question-type {
   margin: 0 0 0.5em; }
 
 .que .correctness.correct {
-  background-color: #5cb85c; }
+  background-color: #398439; }
 
 .que .correctness.partiallycorrect {
-  background-color: #ff7518; }
+  background-color: #f0ad4e; }
 
 .que .correctness.notanswered, .que .correctness.incorrect {
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
 
 .que .qtext {
   margin-bottom: 1.5em; }
@@ -14441,7 +14465,7 @@ body.jsenabled .questionflag input[type=checkbox] {
     margin: 0; }
 
 #page-mod-quiz-edit .questionbankwindow div.header .title {
-  color: #373a3c; }
+  color: #343a40; }
 
 #page-mod-quiz-edit div.container div.generalbox {
   background-color: transparent;
@@ -14871,9 +14895,9 @@ body.path-question-type .mform fieldset.hidden {
 
 #adminsettings span.error {
   display: inline-block;
-  border: 1px solid #f4cfce;
+  border: 1px solid #f3c9c8;
   border-radius: 4px;
-  background-color: #f7dddc;
+  background-color: #f6d9d8;
   padding: 4px;
   margin-bottom: 4px; }
 
@@ -14918,7 +14942,7 @@ body.path-question-type .mform fieldset.hidden {
   display: none; }
 
 #adminsettings .error {
-  color: #d9534f; }
+  color: #d43f3a; }
 
 .mform ul.file-list {
   padding: 0;
@@ -15106,7 +15130,7 @@ fieldset.coursesearchbox label {
   padding: 0.2em;
   margin: 0;
   cursor: pointer;
-  color: #373a3c; }
+  color: #343a40; }
 
 .form-autocomplete-suggestions li:hover {
   background-color: #3f9def;
@@ -15117,7 +15141,7 @@ fieldset.coursesearchbox label {
   color: #495057; }
 
 .form-autocomplete-downarrow {
-  color: #373a3c;
+  color: #343a40;
   top: 0.2rem;
   right: 0.5rem;
   cursor: pointer; }
@@ -15226,27 +15250,27 @@ textarea[data-auto-rows] {
   .has-danger #page-admin-mnet-peers .mform .editor_atto_content.deletedhostinfo .custom-control,
   #page-admin-mnet-peers .mform .has-danger .editor_atto_content.deletedhostinfo .custom-control,
   .has-danger .editor_atto_content.maintenancewarning.error .custom-control {
-    color: #d9534f; }
+    color: #d43f3a; }
   .has-danger .editor_atto_content.form-control .form-control,
   .has-danger .editor_atto_content.form-control-danger .form-control,
   .has-danger #page-admin-mnet-peers .mform .editor_atto_content.deletedhostinfo .form-control,
   #page-admin-mnet-peers .mform .has-danger .editor_atto_content.deletedhostinfo .form-control,
   .has-danger .editor_atto_content.maintenancewarning.error .form-control {
-    border-color: #d9534f; }
+    border-color: #d43f3a; }
   .has-danger .editor_atto_content.form-control .input-group-addon,
   .has-danger .editor_atto_content.form-control-danger .input-group-addon,
   .has-danger #page-admin-mnet-peers .mform .editor_atto_content.deletedhostinfo .input-group-addon,
   #page-admin-mnet-peers .mform .has-danger .editor_atto_content.deletedhostinfo .input-group-addon,
   .has-danger .editor_atto_content.maintenancewarning.error .input-group-addon {
-    color: #d9534f;
-    border-color: #d9534f;
-    background-color: #fdf7f7; }
+    color: #d43f3a;
+    border-color: #d43f3a;
+    background-color: #f9e2e1; }
   .has-danger .editor_atto_content.form-control .form-control-feedback,
   .has-danger .editor_atto_content.form-control-danger .form-control-feedback,
   .has-danger #page-admin-mnet-peers .mform .editor_atto_content.deletedhostinfo .form-control-feedback,
   #page-admin-mnet-peers .mform .has-danger .editor_atto_content.deletedhostinfo .form-control-feedback,
   .has-danger .editor_atto_content.maintenancewarning.error .form-control-feedback {
-    color: #d9534f; }
+    color: #d43f3a; }
 
 [data-filetypesbrowserbody] [aria-expanded="false"] > [role="group"],
 [data-filetypesbrowserbody] [aria-expanded="false"] [data-filetypesbrowserfeature="hideifcollapsed"],
@@ -15349,10 +15373,10 @@ select {
   vertical-align: top; }
 
 .path-mod-forum .subscriptionmode {
-  color: #373a3c; }
+  color: #343a40; }
 
 .path-mod-forum .activesetting {
-  color: #373a3c;
+  color: #343a40;
   font-weight: bold; }
 
 .forumpost {
@@ -15628,7 +15652,7 @@ div#dock {
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.correct .trafficlight {
   background-image: url([[pix:theme|mod/quiz/checkmark]]);
-  background-color: #5cb85c; }
+  background-color: #398439; }
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.blocked .trafficlight {
   background-image: url([[pix:core|t/locked]]);
@@ -15636,16 +15660,16 @@ div#dock {
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.notanswered .trafficlight,
 .path-mod-quiz #mod_quiz_navblock .qnbutton.incorrect .trafficlight {
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.partiallycorrect .trafficlight {
   background-image: url([[pix:theme|mod/quiz/whitecircle]]);
-  background-color: #ff7518; }
+  background-color: #f0ad4e; }
 
 .path-mod-quiz #mod_quiz_navblock .qnbutton.complete .trafficlight,
 .path-mod-quiz #mod_quiz_navblock .qnbutton.answersaved .trafficlight,
 .path-mod-quiz #mod_quiz_navblock .qnbutton.requiresgrading .trafficlight {
-  background-color: #868e96; }
+  background-color: #6c757d; }
 
 #page-mod-quiz-edit ul.slots li.section li.activity .instancemaxmarkcontainer form input {
   height: 1.4em;
@@ -15946,7 +15970,7 @@ div#dock {
     content: ""; }
 
 .path-backup .notification.dependencies_enforced {
-  color: #d9534f;
+  color: #d43f3a;
   font-weight: bold; }
 
 .path-backup .backup_progress {
@@ -15960,7 +15984,7 @@ div#dock {
   color: inherit; }
 
 #page-backup-restore .filealiasesfailures {
-  background-color: #f7dddc; }
+  background-color: #f6d9d8; }
   #page-backup-restore .filealiasesfailures .aliaseslist {
     background-color: #fff; }
 
@@ -16946,14 +16970,14 @@ span[data-flexitour="container"][x-placement="right"], span[data-flexitour="cont
   width: 275px; }
 
 .label {
-  background-color: #868e96; }
+  background-color: #6c757d; }
   .label[href]:hover, .label[href]:focus {
-    background-color: #6c757d; }
+    background-color: #545b62; }
 
 .label-success {
-  background-color: #5cb85c; }
+  background-color: #398439; }
   .label-success[href]:hover, .label-success[href]:focus {
-    background-color: #449d44; }
+    background-color: #2a602a; }
 
 .label-info {
   background-color: #5bc0de; }
@@ -16961,14 +16985,14 @@ span[data-flexitour="container"][x-placement="right"], span[data-flexitour="cont
     background-color: #31b0d5; }
 
 .label-warning {
-  background-color: #ff7518; }
+  background-color: #f0ad4e; }
   .label-warning[href]:hover, .label-warning[href]:focus {
-    background-color: #e45c00; }
+    background-color: #ec971f; }
 
 .label-important {
-  background-color: #d9534f; }
+  background-color: #d43f3a; }
   .label-important[href]:hover, .label-important[href]:focus {
-    background-color: #c9302c; }
+    background-color: #b42c27; }
 
 .pull-left {
   float: left !important; }
@@ -17012,28 +17036,74 @@ span[data-flexitour="container"][x-placement="right"], span[data-flexitour="cont
   background-color: #fff; }
 
 .btn-outline-secondary {
-  color: #868e96;
+  color: #6c757d;
   background-color: transparent;
   background-image: none;
-  border-color: #868e96;
-  border-color: #dee2e6; }
+  border-color: #6c757d;
+  border-color: #6c757d; }
   .btn-outline-secondary:hover {
     color: #fff;
-    background-color: #868e96;
-    border-color: #868e96; }
+    background-color: #6c757d;
+    border-color: #6c757d; }
   .btn-outline-secondary:focus, .btn-outline-secondary.focus {
-    box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5); }
+    box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); }
   .btn-outline-secondary.disabled, .btn-outline-secondary:disabled {
-    color: #868e96;
+    color: #6c757d;
     background-color: transparent; }
   .btn-outline-secondary:not(:disabled):not(.disabled):active, .btn-outline-secondary:not(:disabled):not(.disabled).active,
   .show > .btn-outline-secondary.dropdown-toggle {
     color: #fff;
-    background-color: #868e96;
-    border-color: #868e96; }
+    background-color: #6c757d;
+    border-color: #6c757d; }
     .btn-outline-secondary:not(:disabled):not(.disabled):active:focus, .btn-outline-secondary:not(:disabled):not(.disabled).active:focus,
     .show > .btn-outline-secondary.dropdown-toggle:focus {
-      box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5); }
+      box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5); }
+
+.btn-outline-info {
+  color: #1f7e9a;
+  background-color: transparent;
+  background-image: none;
+  border-color: #1f7e9a; }
+  .btn-outline-info:hover {
+    color: #fff;
+    background-color: #1f7e9a;
+    border-color: #1f7e9a; }
+  .btn-outline-info:focus, .btn-outline-info.focus {
+    box-shadow: 0 0 0 0.2rem rgba(31, 126, 154, 0.5); }
+  .btn-outline-info.disabled, .btn-outline-info:disabled {
+    color: #1f7e9a;
+    background-color: transparent; }
+  .btn-outline-info:not(:disabled):not(.disabled):active, .btn-outline-info:not(:disabled):not(.disabled).active,
+  .show > .btn-outline-info.dropdown-toggle {
+    color: #fff;
+    background-color: #1f7e9a;
+    border-color: #1f7e9a; }
+    .btn-outline-info:not(:disabled):not(.disabled):active:focus, .btn-outline-info:not(:disabled):not(.disabled).active:focus,
+    .show > .btn-outline-info.dropdown-toggle:focus {
+      box-shadow: 0 0 0 0.2rem rgba(31, 126, 154, 0.5); }
+
+.btn-outline-warning {
+  color: #a6670e;
+  background-color: transparent;
+  background-image: none;
+  border-color: #a6670e; }
+  .btn-outline-warning:hover {
+    color: #fff;
+    background-color: #a6670e;
+    border-color: #a6670e; }
+  .btn-outline-warning:focus, .btn-outline-warning.focus {
+    box-shadow: 0 0 0 0.2rem rgba(166, 103, 14, 0.5); }
+  .btn-outline-warning.disabled, .btn-outline-warning:disabled {
+    color: #a6670e;
+    background-color: transparent; }
+  .btn-outline-warning:not(:disabled):not(.disabled):active, .btn-outline-warning:not(:disabled):not(.disabled).active,
+  .show > .btn-outline-warning.dropdown-toggle {
+    color: #fff;
+    background-color: #a6670e;
+    border-color: #a6670e; }
+    .btn-outline-warning:not(:disabled):not(.disabled):active:focus, .btn-outline-warning:not(:disabled):not(.disabled).active:focus,
+    .show > .btn-outline-warning.dropdown-toggle:focus {
+      box-shadow: 0 0 0 0.2rem rgba(166, 103, 14, 0.5); }
 
 @media (max-width: 767.98px) {
   .blockcolumn,