diff --git a/theme/classic/scss/classic/post.scss b/theme/classic/scss/classic/post.scss
index 33a0f585c0c..c95eb24f9fb 100644
--- a/theme/classic/scss/classic/post.scss
+++ b/theme/classic/scss/classic/post.scss
@@ -10,6 +10,7 @@
         .region-main {
             flex: 0 0 100%;
             padding: 0 1rem;
+            max-width: 100%;
         }
 
         &.blocks-pre {
@@ -140,12 +141,43 @@
 }
 
 @include media-breakpoint-up(sm) {
-    .block_myoverview,
-    .block_recentlyaccesseditems {
-        .dashboard-card-deck {
-            .dashboard-card {
-                width: calc(33.33% - #{$card-gutter});
-            }
+    .dashboard-card-deck .dashboard-card {
+        width: calc(50% - #{$card-gutter});
+    }
+}
+
+@include media-breakpoint-up(md) {
+    .dashboard-card-deck .dashboard-card {
+        width: calc(50% - #{$card-gutter});
+    }
+    .blocks-post,
+    .blocks-pre {
+        .dashboard-card-deck .dashboard-card {
+            width: calc(100% - #{$card-gutter});
+        }
+    }
+}
+
+@include media-breakpoint-up(lg) {
+    .dashboard-card-deck .dashboard-card {
+        width: calc(33.33% - #{$card-gutter});
+    }
+    .blocks-post,
+    .blocks-pre {
+        .dashboard-card-deck .dashboard-card {
+            width: calc(50% - #{$card-gutter});
+        }
+    }
+}
+
+@include media-breakpoint-up(xl) {
+    .dashboard-card-deck .dashboard-card {
+        width: calc(25% - #{$card-gutter});
+    }
+    .blocks-post,
+    .blocks-pre {
+        .dashboard-card-deck .dashboard-card {
+            width: calc(33.33% - #{$card-gutter});
         }
     }
 }
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index b59790a4d94..750d7ccce10 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -18801,7 +18801,8 @@ span[data-flexitour="container"][x-placement="right"], span[data-flexitour="cont
     display: flex; }
     #page-content .region-main {
       flex: 0 0 100%;
-      padding: 0 1rem; }
+      padding: 0 1rem;
+      max-width: 100%; }
     #page-content.blocks-pre .columnleft {
       flex: 0 0 32%;
       order: -1;
@@ -18861,7 +18862,8 @@ span[data-flexitour="container"][x-placement="right"], span[data-flexitour="cont
     display: flex; }
     #page-content .region-main {
       flex: 0 0 100%;
-      padding: 0 1rem; }
+      padding: 0 1rem;
+      max-width: 100%; }
     #page-content.blocks-pre .columnleft {
       flex: 0 0 25%;
       order: -1;
@@ -18921,7 +18923,8 @@ span[data-flexitour="container"][x-placement="right"], span[data-flexitour="cont
     display: flex; }
     #page-content .region-main {
       flex: 0 0 100%;
-      padding: 0 1rem; }
+      padding: 0 1rem;
+      max-width: 100%; }
     #page-content.blocks-pre .columnleft {
       flex: 0 0 20%;
       order: -1;
@@ -18986,8 +18989,28 @@ span[data-flexitour="container"][x-placement="right"], span[data-flexitour="cont
     /* stylelint-disable-line declaration-no-important */ } }
 
 @media (min-width: 576px) {
-  .block_myoverview .dashboard-card-deck .dashboard-card,
-  .block_recentlyaccesseditems .dashboard-card-deck .dashboard-card {
+  .dashboard-card-deck .dashboard-card {
+    width: calc(50% - 0.5rem); } }
+
+@media (min-width: 768px) {
+  .dashboard-card-deck .dashboard-card {
+    width: calc(50% - 0.5rem); }
+  .blocks-post .dashboard-card-deck .dashboard-card,
+  .blocks-pre .dashboard-card-deck .dashboard-card {
+    width: calc(100% - 0.5rem); } }
+
+@media (min-width: 992px) {
+  .dashboard-card-deck .dashboard-card {
+    width: calc(33.33% - 0.5rem); }
+  .blocks-post .dashboard-card-deck .dashboard-card,
+  .blocks-pre .dashboard-card-deck .dashboard-card {
+    width: calc(50% - 0.5rem); } }
+
+@media (min-width: 1200px) {
+  .dashboard-card-deck .dashboard-card {
+    width: calc(25% - 0.5rem); }
+  .blocks-post .dashboard-card-deck .dashboard-card,
+  .blocks-pre .dashboard-card-deck .dashboard-card {
     width: calc(33.33% - 0.5rem); } }
 
 @media (min-width: 768px) {