diff --git a/bigbluebutton-html5/app/client/stylesheets/whiteboard.less b/bigbluebutton-html5/app/client/stylesheets/whiteboard.less
index 1009e4f362..c26fa240da 100755
--- a/bigbluebutton-html5/app/client/stylesheets/whiteboard.less
+++ b/bigbluebutton-html5/app/client/stylesheets/whiteboard.less
@@ -225,6 +225,7 @@
   padding: 0;
   border-radius: 50%;
   background: #3896D3;
+  opacity: 0.55;
   &:hover {
     background: #3A82D4;
   }