diff --git a/theme/boost/scss/moodle/question.scss b/theme/boost/scss/moodle/question.scss
index c306f044440..a28ab91c5bc 100644
--- a/theme/boost/scss/moodle/question.scss
+++ b/theme/boost/scss/moodle/question.scss
@@ -304,6 +304,10 @@ body.path-question-type {
     vertical-align: baseline;
 }
 
+.que.multianswer .formulation .yui3-widget-positioned {
+    box-sizing: content-box;
+}
+
 .path-mod-quiz input[size] {
     width: auto;
     max-width: 100%;
diff --git a/theme/bootstrapbase/less/moodle/question.less b/theme/bootstrapbase/less/moodle/question.less
index afbcdfd644b..055f7aa715a 100644
--- a/theme/bootstrapbase/less/moodle/question.less
+++ b/theme/bootstrapbase/less/moodle/question.less
@@ -237,6 +237,9 @@ body.path-question-type .fitem_fgroup .accesshide {
     width: auto;
     vertical-align: baseline;
 }
+.que.multianswer .formulation .yui3-widget-positioned {
+    box-sizing: content-box;
+}
 .path-mod-quiz input[size] {
     width: auto;
 }
diff --git a/theme/bootstrapbase/style/moodle.css b/theme/bootstrapbase/style/moodle.css
index 60db968ead7..ec9bcbd6778 100644
--- a/theme/bootstrapbase/style/moodle.css
+++ b/theme/bootstrapbase/style/moodle.css
@@ -6962,6 +6962,9 @@ body.path-question-type .fitem_fgroup .accesshide {
   width: auto;
   vertical-align: baseline;
 }
+.que.multianswer .formulation .yui3-widget-positioned {
+  box-sizing: content-box;
+}
 .path-mod-quiz input[size] {
   width: auto;
 }