diff --git a/lms/static/sass/course/courseware/_courseware.scss b/lms/static/sass/course/courseware/_courseware.scss
index 55a7be9acf..350665dbce 100644
--- a/lms/static/sass/course/courseware/_courseware.scss
+++ b/lms/static/sass/course/courseware/_courseware.scss
@@ -262,5 +262,9 @@ section.self-assessment {
         margin-bottom: 5px;
     }
 
+    .error {
+        font-size: 14px;
+        font-weight: bold;
+    }
 }