diff --git a/src/content.less b/src/content.less
index 70bda12..e26fcdb 100644
--- a/src/content.less
+++ b/src/content.less
@@ -102,7 +102,7 @@
   }
 
   .action-icon {
-    color: #333;
+    color: #666666;
     width: 16px;
     height: 20px;
     transition: all @animation-duration ease;