diff --git a/css/mobile-first.css b/css/mobile-first.css
index a48b826..243a9f9 100644
--- a/css/mobile-first.css
+++ b/css/mobile-first.css
@@ -59,7 +59,7 @@ a, a:hover { text-decoration: underline; color: #000; cursor: pointer;}
     color: #fff;
     text-align: center;
     font-size: 17px;
-z-index: 99999;}
+z-index: 9;}
     .updated_news a { color: #fff;}
     .bottom_why_us {background: url(https://data.asiahighlights.com/image/about/ah-bottom-why-us-bg-pc.jpg) center #565656;
         background-size: cover;