diff --git a/conjugation/drill.css b/conjugation/drill.css
index 257a8fb..63c96c7 100644
--- a/conjugation/drill.css
+++ b/conjugation/drill.css
@@ -150,6 +150,7 @@ body, input {
 
 #answer:focus {
   outline-width: 0;
+  outline: none;
 }
 
 .correct,