diff --git a/ui/app/components/ui/popover/index.scss b/ui/app/components/ui/popover/index.scss
index 1742c77547e1..a34f99e50e13 100644
--- a/ui/app/components/ui/popover/index.scss
+++ b/ui/app/components/ui/popover/index.scss
@@ -73,7 +73,7 @@
     width: 100%;
     height: 100%;
     background: black;
-    opacity: 20%;
+    opacity: .2;
   }
 
   &-content {