diff --git a/physics/templates/physics/exam_take.html b/physics/templates/physics/exam_take.html
index ccd3bdf8..e6f2a7e0 100755
--- a/physics/templates/physics/exam_take.html
+++ b/physics/templates/physics/exam_take.html
@@ -147,12 +147,10 @@
             border: 1px solid purple;
         }
         .answer-correct {
-            border: 1px solid purple;
-            background-color: green;
+            border: 1px solid green;
         }
         .answer-incorrect {
-            border: 1px solid purple;
-            background-color: green;
+            border: 1px solid red;
         }
 
         .physics-answer-list input:checked::after {