diff --git a/src/main/twirl/gitbucket/core/helper/preview.scala.html b/src/main/twirl/gitbucket/core/helper/preview.scala.html
index 8d6f2fe..bec5c02 100644
--- a/src/main/twirl/gitbucket/core/helper/preview.scala.html
+++ b/src/main/twirl/gitbucket/core/helper/preview.scala.html
@@ -15,7 +15,7 @@
 @import gitbucket.core._
 @import gitbucket.core.view.helpers._
 <div class="tabbable">
-  <ul class="nav nav-tabs fill-width" style="margin-top: 12px; margin-bottom: 10px;">
+  <ul class="nav nav-tabs fill-width" style="margin-bottom: 10px;">
     <li class="active"><a href="#tab@uid" data-toggle="tab">Write</a></li>
     <li><a href="#tab@(uid+1)" data-toggle="tab" id="preview@uid">Preview</a></li>
   </ul>