diff --git a/Step/wwwroot/assets/styles/base/header.less b/Step/wwwroot/assets/styles/base/header.less
index e8f7df7c..6c7a2e8a 100644
--- a/Step/wwwroot/assets/styles/base/header.less
+++ b/Step/wwwroot/assets/styles/base/header.less
@@ -30,7 +30,6 @@
     }    
     .overblur{
         position: absolute;
-        background-color: rgba(217, 217, 217, 0.5);
         width: 100%;
         height: 100%;
         top: 0;
@@ -92,6 +91,9 @@
     button.unclickable {
         cursor: default;
     }
+    .over{
+        z-index: 10;
+    }
     &.turn-up .user-info time {
         color: #fff;
     }