diff --git a/css/settings.css b/css/settings.css
index d33e466..57bd41b 100644
--- a/css/settings.css
+++ b/css/settings.css
@@ -178,7 +178,7 @@ dialog .modal-body p:first-child {
             blue,
             green
         );
-    -webkit-mask: 
+    mask: 
         linear-gradient(#fff 0 0) content-box, 
         linear-gradient(#fff 0 0);
     -webkit-mask-composite: xor;