diff --git a/src/assets/scss/themes/light/theme.scss b/src/assets/scss/themes/light/theme.scss
index 645d511..d73d72b 100644
--- a/src/assets/scss/themes/light/theme.scss
+++ b/src/assets/scss/themes/light/theme.scss
@@ -722,4 +722,13 @@ $inputGroupTextColor: #222222;
       color: $stateHighlightTextColor;
     }
   }
+}
+
+@media screen and (max-width: 64em) {
+  .ui-sidebar-left.ui-sidebar-lg,
+  .ui-sidebar-left.ui-sidebar-md,
+  .ui-sidebar-right.ui-sidebar-lg,
+  .ui-sidebar-right.ui-sidebar-md {
+    width: 40em;
+  }
 }
\ No newline at end of file