diff --git a/resources/cider-ui/style.less b/resources/cider-ui/style.less
index 82751953..32fbe7f3 100644
--- a/resources/cider-ui/style.less
+++ b/resources/cider-ui/style.less
@@ -81,9 +81,7 @@ body[platform='linux'] {
 
 #app {
   --color1: rgba(30, 30, 30, 30%);
-  --color2: rgba(0, 0, 0, 0);
-  /* --color1: rgb(30, 30, 31, 20%);
-  --color2: rgba(17, 17, 17, 24%); */
+  --color2: rgba(15, 15, 15, 30%);
   --chromeHeight: 55px;
   width: 100%;
   height: 100%;