diff --git a/static/css/style.css b/static/css/style.css
index a48ac9c7..43071926 100755
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -318,6 +318,9 @@ hide mdi-action-visibility mdi-action-visibility-off
   background-size: 200% !important;
   background-position: 50% 50% !important;
   -webkit-filter: brightness(0.8);
+  -moz-filter: brightness(0.8);
+  -o-filter: brightness(0.8);
+  filter: brightness(0.8);
 
 }