diff --git a/mod/quiz/styles.css b/mod/quiz/styles.css
index ee746fedfc3..750ff19a91c 100644
--- a/mod/quiz/styles.css
+++ b/mod/quiz/styles.css
@@ -802,12 +802,6 @@ table.quizreviewsummary td.cell {
     display: inline;
 }
 
-#page-mod-quiz-edit ul.slots li.section li.activity .instancemaxmarkcontainer form input {
-    margin: 0;
-    padding: 0.2em;
-    height: 1em;
-}
-
 #page-mod-quiz-edit ul.slots li.section li.activity .instancemaxmark {
     display: inline-block;
     text-align: right;
diff --git a/theme/boost/scss/moodle/modules.scss b/theme/boost/scss/moodle/modules.scss
index 7f406422d2c..4d8a42a48f4 100644
--- a/theme/boost/scss/moodle/modules.scss
+++ b/theme/boost/scss/moodle/modules.scss
@@ -487,6 +487,10 @@ div#dock {
     }
 }
 
+#page-mod-quiz-edit ul.slots li.section li.activity .instancemaxmarkcontainer form input {
+    height: 1.4em;
+    vertical-align: middle;
+}
 
 // Assign.
 .path-mod-assign [data-region="grade-actions-panel"] [data-region="grade-actions"] .collapse-buttons {
diff --git a/theme/bootstrapbase/less/moodle/modules.less b/theme/bootstrapbase/less/moodle/modules.less
index 7a7a6b5c5fc..b931f0f97f9 100644
--- a/theme/bootstrapbase/less/moodle/modules.less
+++ b/theme/bootstrapbase/less/moodle/modules.less
@@ -812,6 +812,11 @@ div#dock {
 }
 
 // Quiz module
+#page-mod-quiz-edit ul.slots li.section li.activity .instancemaxmarkcontainer form input {
+    margin: 0;
+    padding: 0.2em;
+    height: 1em;
+}
 
 // Question navigation block.
 .path-mod-quiz #mod_quiz_navblock {
diff --git a/theme/bootstrapbase/style/moodle.css b/theme/bootstrapbase/style/moodle.css
index 2abeb792a7d..628ffbe6c50 100644
--- a/theme/bootstrapbase/style/moodle.css
+++ b/theme/bootstrapbase/style/moodle.css
@@ -17889,6 +17889,11 @@ div#dock {
   width: inherit;
   height: inherit;
 }
+#page-mod-quiz-edit ul.slots li.section li.activity .instancemaxmarkcontainer form input {
+  margin: 0;
+  padding: 0.2em;
+  height: 1em;
+}
 .path-mod-quiz #mod_quiz_navblock .qnbutton {
   text-decoration: none;
   font-size: 14px;