diff --git a/physics/templates/physics/exam_take.html b/physics/templates/physics/exam_take.html
index 6a70fa15..2a307956 100755
--- a/physics/templates/physics/exam_take.html
+++ b/physics/templates/physics/exam_take.html
@@ -144,10 +144,10 @@
             border: 1px solid purple;
         }
         .answer-correct {
-            border: 1px solid green;
+            border: 1px dotted darkgreen;
         }
         .answer-incorrect {
-            border: 1px solid red;
+            border: 1px dashed darkred;
         }
 
         .physics-answer-list input:checked::after {