diff --git a/source/css/layout/common/basic.styl b/source/css/layout/common/basic.styl
index 3f8802c..d1b0d58 100644
--- a/source/css/layout/common/basic.styl
+++ b/source/css/layout/common/basic.styl
@@ -13,7 +13,7 @@
   }
 
   &::-webkit-scrollbar-thumb {
-    background: rgba(0, 0, 0, 0.2);
+    background: rgba(0, 0, 0, 0.32);
   }
 
   &::-webkit-scrollbar-track {