diff --git a/public/stylesheets/css/introduce.css b/public/stylesheets/css/introduce.css
index 5f8520f7b..739f60a72 100644
--- a/public/stylesheets/css/introduce.css
+++ b/public/stylesheets/css/introduce.css
@@ -21,7 +21,7 @@ body{
     float: right;
 }
 .homepage_banner_nav li{
-    margin-left: 40px;
+    margin-left: 20px;
     font-size: 16px;
     float: left;
 }
@@ -746,4 +746,4 @@ body{
 }
 .partnerSource a img{
     width: 100%;
-}
\ No newline at end of file
+}