diff --git a/resources/style/index.css b/resources/style/index.css
index 41349b3..eb5e1d1 100644
--- a/resources/style/index.css
+++ b/resources/style/index.css
@@ -89,7 +89,7 @@ body {
 }
 
 #navigation button:focus {
-    outline-color: transparent;
+    outline: none;
     background: #fff3 !important;
 }