diff --git a/main/index.css b/main/index.css
index dec9f138..1a5cc70e 100644
--- a/main/index.css
+++ b/main/index.css
@@ -12,7 +12,7 @@ body {
   overflow: auto;
   font-family: BlinkMacSystemFont, 'Helvetica Neue', Helvetica, sans-serif;
   -webkit-user-select: none;
-  background: #333;
+  background: rgb(40, 40, 40);
   font-size: 16px;
   line-height: 1.5em;
   -webkit-app-region: drag;