diff --git a/src/main/twirl/gitbucket/core/menu.scala.html b/src/main/twirl/gitbucket/core/menu.scala.html
index 60628b8..2a26d60 100644
--- a/src/main/twirl/gitbucket/core/menu.scala.html
+++ b/src/main/twirl/gitbucket/core/menu.scala.html
@@ -57,7 +57,7 @@
     </div>
   </div>
   <div class="content-wrapper">
-    <div class="content body">
+    <div class="content body clearfix">
       <div class="headbar">
         <div class="container">
           @gitbucket.core.helper.html.information(info)
diff --git a/src/main/twirl/gitbucket/core/pulls/conversation.scala.html b/src/main/twirl/gitbucket/core/pulls/conversation.scala.html
index b9704b2..5536fe3 100644
--- a/src/main/twirl/gitbucket/core/pulls/conversation.scala.html
+++ b/src/main/twirl/gitbucket/core/pulls/conversation.scala.html
@@ -18,7 +18,7 @@
   }.exists(_.action == "merge")){ merged =>
     @if(!issue.closed){
       <div class="check-conflict" style="display: none;">
-        <div class="box issue-comment-box" style="background-color: #fbeed5">
+        <div class="issue-comment-box" style="background-color: #fbeed5">
           <div class="box-content"class="issue-content" style="border: 1px solid #c09853; padding: 10px;">
             <img src="@helpers.assets/common/images/indicator.gif"/> Checking...
           </div>
@@ -27,7 +27,7 @@
     }
     @if(hasWritePermission && issue.closed && pullreq.userName == pullreq.requestUserName && merged &&
       pullreq.repositoryName == pullreq.requestRepositoryName && repository.branchList.contains(pullreq.requestBranch)){
-      <div class="box issue-comment-box" style="background-color: #d0eeff;">
+      <div class="issue-comment-box" style="background-color: #d0eeff;">
         <div class="box-content"class="issue-content" style="border: 1px solid #87a8c9; padding: 10px;">
           <a href="@helpers.url(repository)/pull/@issue.issueId/delete/@helpers.encodeRefName(pullreq.requestBranch)" class="btn btn-info pull-right delete-branch" data-name="@pullreq.requestBranch">Delete branch</a>
           <div>
diff --git a/src/main/twirl/gitbucket/core/pulls/mergeguide.scala.html b/src/main/twirl/gitbucket/core/pulls/mergeguide.scala.html
index cb3bae4..f9314ed 100644
--- a/src/main/twirl/gitbucket/core/pulls/mergeguide.scala.html
+++ b/src/main/twirl/gitbucket/core/pulls/mergeguide.scala.html
@@ -4,7 +4,7 @@
   originRepository: gitbucket.core.service.RepositoryService.RepositoryInfo,
   forkedRepository: gitbucket.core.service.RepositoryService.RepositoryInfo)(implicit context: gitbucket.core.controller.Context)
 @import gitbucket.core.view.helpers
-<div class="box issue-comment-box" style="background-color: @if(status.hasProblem){ #fbeed5 }else{ #d8f5cd };">
+<div class="issue-comment-box" style="background-color: @if(status.hasProblem){ #fbeed5 }else{ #d8f5cd };">
   <div class="box-content issue-content" style="border: 1px solid @if(status.hasProblem){ #c09853 }else{ #95c97e };padding:0">
     <div id="merge-pull-request">
       @if(!status.statuses.isEmpty){