diff --git a/src/main/twirl/gitbucket/core/account/group.scala.html b/src/main/twirl/gitbucket/core/account/group.scala.html
index cce8913..04f012b 100644
--- a/src/main/twirl/gitbucket/core/account/group.scala.html
+++ b/src/main/twirl/gitbucket/core/account/group.scala.html
@@ -2,56 +2,58 @@
 @import context._
 @import gitbucket.core.view.helpers._
 @html.main(if(account.isEmpty) "Create group" else "Edit group"){
-<div class="body main-center">
-  <h2>@{if(account.isEmpty) "Create group" else "Edit group"}</h2>
-  <form id="form" method="post" action="@if(account.isEmpty){@path/groups/new} else {@path/@account.get.userName/_editgroup}" validate="true">
-    <div class="row">
-      <div class="col-md-5">
-        <fieldset class="form-group">
-          <label for="groupName" class="strong">Group name</label>
-          <div>
-            <span id="error-groupName" class="error"></span>
-          </div>
-          <input type="text" name="groupName" id="groupName" class="form-control" value="@account.map(_.userName)"@if(account.isDefined){ readonly}/>
-        </fieldset>
-        <fieldset class="form-group">
-          <label class="strong">URL (Optional)</label>
-          <div>
-            <span id="error-url" class="error"></span>
-          </div>
-          <input type="text" name="url" id="url" class="form-control" value="@account.map(_.url)"/>
-        </fieldset>
-        <fieldset class="form-group">
-          <label for="avatar" class="strong">Image (Optional)</label>
-          @helper.html.uploadavatar(account)
-        </fieldset>
-      </div>
-      <div class="col-md-7">
-        <fieldset class="form-group">
-          <label class="strong">Members</label>
-          <ul id="member-list" class="collaborator">
-          </ul>
-          @helper.html.account("memberName", 200)
-          <input type="button" class="btn btn-default" value="Add" id="addMember"/>
-          <input type="hidden" id="members" name="members" value="@members.map(member => member.userName + ":" + member.isManager).mkString(",")"/>
-          <div>
-            <span class="error" id="error-members"></span>
-          </div>
-        </fieldset>
-      </div>
-    </div>
-    <fieldset class="border-top">
-      @if(account.isDefined){
-        <div class="pull-right">
-          <a href="@url(account.get.userName)/_deletegroup" id="delete" class="btn btn-danger">Delete Group</a>
+<div class="content-wrapper main-center">
+  <div class="content body">
+    <h2>@{if(account.isEmpty) "Create group" else "Edit group"}</h2>
+    <form id="form" method="post" action="@if(account.isEmpty){@path/groups/new} else {@path/@account.get.userName/_editgroup}" validate="true">
+      <div class="row">
+        <div class="col-md-5">
+          <fieldset class="form-group">
+            <label for="groupName" class="strong">Group name</label>
+            <div>
+              <span id="error-groupName" class="error"></span>
+            </div>
+            <input type="text" name="groupName" id="groupName" class="form-control" value="@account.map(_.userName)"@if(account.isDefined){ readonly}/>
+          </fieldset>
+          <fieldset class="form-group">
+            <label class="strong">URL (Optional)</label>
+            <div>
+              <span id="error-url" class="error"></span>
+            </div>
+            <input type="text" name="url" id="url" class="form-control" value="@account.map(_.url)"/>
+          </fieldset>
+          <fieldset class="form-group">
+            <label for="avatar" class="strong">Image (Optional)</label>
+            @helper.html.uploadavatar(account)
+          </fieldset>
         </div>
-      }
-      <input type="submit" class="btn btn-success" value="@if(account.isEmpty){Create Group} else {Update Group}"/>
-      @if(account.isDefined){
-        <a href="@url(account.get.userName)" class="btn btn-default">Cancel</a>
-      }
-    </fieldset>
-  </form>
+        <div class="col-md-7">
+          <fieldset class="form-group">
+            <label class="strong">Members</label>
+            <ul id="member-list" class="collaborator">
+            </ul>
+            @helper.html.account("memberName", 200)
+            <input type="button" class="btn btn-default" value="Add" id="addMember"/>
+            <input type="hidden" id="members" name="members" value="@members.map(member => member.userName + ":" + member.isManager).mkString(",")"/>
+            <div>
+              <span class="error" id="error-members"></span>
+            </div>
+          </fieldset>
+        </div>
+      </div>
+      <fieldset class="border-top">
+        @if(account.isDefined){
+          <div class="pull-right">
+            <a href="@url(account.get.userName)/_deletegroup" id="delete" class="btn btn-danger">Delete Group</a>
+          </div>
+        }
+        <input type="submit" class="btn btn-success" value="@if(account.isEmpty){Create Group} else {Update Group}"/>
+        @if(account.isDefined){
+          <a href="@url(account.get.userName)" class="btn btn-default">Cancel</a>
+        }
+      </fieldset>
+    </form>
+  </div>
 </div>
 }
 <script>
diff --git a/src/main/twirl/gitbucket/core/account/newrepo.scala.html b/src/main/twirl/gitbucket/core/account/newrepo.scala.html
index 007e182..5860c9e 100644
--- a/src/main/twirl/gitbucket/core/account/newrepo.scala.html
+++ b/src/main/twirl/gitbucket/core/account/newrepo.scala.html
@@ -3,73 +3,75 @@
 @import context._
 @import gitbucket.core.view.helpers._
 @html.main("Create a New Repository"){
-<div class="body main-center">
-  <h2>Create a new repository</h2>
-  <p class="muted">
-    A repository contains all the files for your project, including the revision history.
-  </p>
-  <form id="form" method="post" action="@path/new" validate="true">
-    <fieldset class="border-top form-group">
-      <dl style="float: left;">
-        <dt>Owner</dt>
-        <dd style="margin-left: 0px;">
-          <div class="btn-group" id="owner-dropdown">
-            <button class="btn dropdown-toggle btn-default" data-toggle="dropdown">
-              <span class="strong">@avatar(loginAccount.get.userName, 20) @loginAccount.get.userName</span>
-              <span class="caret"></span>
-            </button>
-            <ul class="dropdown-menu">
-              <li><a href="javascript:void(0);" data-name="@loginAccount.get.userName"><i class="octicon octicon-check"></i> <span>@avatar(loginAccount.get.userName, 20) @loginAccount.get.userName</span></a></li>
-              @groupNames.map { groupName =>
-                <li><a href="javascript:void(0);" data-name="@groupName"><i class="octicon"></i> <span>@avatar(groupName, 20) @groupName</span></a></li>
-              }
-            </ul>
-            <input type="hidden" name="owner" id="owner" value="@loginAccount.get.userName"/>
+<div class="content-wrapper main-center">
+  <div class="content body">
+    <h2>Create a new repository</h2>
+    <p class="muted">
+      A repository contains all the files for your project, including the revision history.
+    </p>
+    <form id="form" method="post" action="@path/new" validate="true">
+      <fieldset class="border-top form-group">
+        <dl style="float: left;">
+          <dt>Owner</dt>
+          <dd style="margin-left: 0px;">
+            <div class="btn-group" id="owner-dropdown">
+              <button class="btn dropdown-toggle btn-default" data-toggle="dropdown">
+                <span class="strong">@avatar(loginAccount.get.userName, 20) @loginAccount.get.userName</span>
+                <span class="caret"></span>
+              </button>
+              <ul class="dropdown-menu">
+                <li><a href="javascript:void(0);" data-name="@loginAccount.get.userName"><i class="octicon octicon-check"></i> <span>@avatar(loginAccount.get.userName, 20) @loginAccount.get.userName</span></a></li>
+                @groupNames.map { groupName =>
+                  <li><a href="javascript:void(0);" data-name="@groupName"><i class="octicon"></i> <span>@avatar(groupName, 20) @groupName</span></a></li>
+                }
+              </ul>
+              <input type="hidden" name="owner" id="owner" value="@loginAccount.get.userName"/>
+            </div>
+          </dd>
+        </dl>
+        <span class="slash" style="float: left; margin-left: 10px; margin-right: 10px; margin-top: 15px;">/</span>
+        <dl>
+          <dt>Repository name</dt>
+          <dd style="margin-left: 0px;">
+            <input type="text" name="name" id="name" class="form-control" style="width: 200px;" autofocus />
+            <span id="error-name" class="error"></span>
+          </dd>
+        </dl>
+      </fieldset>
+      <fieldset class="form-group">
+        <label for="description" class="strong">Description (optional):</label>
+        <input type="text" name="description" id="description" class="form-control" style="width: 95%;"/>
+      </fieldset>
+      <fieldset class="border-top">
+        <label class="radio">
+          <input type="radio" name="isPrivate" value="false" @if(isCreateRepoOptionPublic){checked}>
+          <span class="strong"><i class="octicon octicon-repo"></i>&nbsp;</i>&nbsp;Public</span>
+          <div class="normal muted">
+            Anyone can see this repository. You choose who can commit.
           </div>
-        </dd>
-      </dl>
-      <span class="slash" style="float: left; margin-left: 10px; margin-right: 10px; margin-top: 15px;">/</span>
-      <dl>
-        <dt>Repository name</dt>
-        <dd style="margin-left: 0px;">
-          <input type="text" name="name" id="name" class="form-control" style="width: 200px;" autofocus />
-          <span id="error-name" class="error"></span>
-        </dd>
-      </dl>
-    </fieldset>
-    <fieldset class="form-group">
-      <label for="description" class="strong">Description (optional):</label>
-      <input type="text" name="description" id="description" class="form-control" style="width: 95%;"/>
-    </fieldset>
-    <fieldset class="border-top">
-      <label class="radio">
-        <input type="radio" name="isPrivate" value="false" @if(isCreateRepoOptionPublic){checked}>
-        <span class="strong"><i class="octicon octicon-repo"></i>&nbsp;</i>&nbsp;Public</span>
-        <div class="normal muted">
-          Anyone can see this repository. You choose who can commit.
-        </div>
-      </label>
-      <label class="radio">
-        <input type="radio" name="isPrivate" value="true" @if(!isCreateRepoOptionPublic){checked}>
-        <span class="strong"><i class="octicon octicon-lock"></i>&nbsp;</i>&nbsp;Private</span>
-        <div class="normal muted">
-          You choose who can see and commit to this repository.
-        </div>
-      </label>
-    </fieldset>
-    <fieldset class="border-top">
-      <label for="createReadme" class="checkbox">
-        <input type="checkbox" name="createReadme" id="createReadme"/>
-        <span class="strong">Initialize this repository with a README</span>
-        <div class="normal muted">
-          This will let you immediately clone the repository to your computer. Skip this step if you’re importing an existing repository.
-        </div>
-      </label>
-    </fieldset>
-    <fieldset class="border-top form-actions">
-      <input type="submit" class="btn btn-success" value="Create repository"/>
-    </fieldset>
-  </form>
+        </label>
+        <label class="radio">
+          <input type="radio" name="isPrivate" value="true" @if(!isCreateRepoOptionPublic){checked}>
+          <span class="strong"><i class="octicon octicon-lock"></i>&nbsp;</i>&nbsp;Private</span>
+          <div class="normal muted">
+            You choose who can see and commit to this repository.
+          </div>
+        </label>
+      </fieldset>
+      <fieldset class="border-top">
+        <label for="createReadme" class="checkbox">
+          <input type="checkbox" name="createReadme" id="createReadme"/>
+          <span class="strong">Initialize this repository with a README</span>
+          <div class="normal muted">
+            This will let you immediately clone the repository to your computer. Skip this step if you’re importing an existing repository.
+          </div>
+        </label>
+      </fieldset>
+      <fieldset class="border-top form-actions">
+        <input type="submit" class="btn btn-success" value="Create repository"/>
+      </fieldset>
+    </form>
+  </div>
 </div>
 }
 <script>
diff --git a/src/main/twirl/gitbucket/core/account/register.scala.html b/src/main/twirl/gitbucket/core/account/register.scala.html
index 90eecc3..3cc7a54 100644
--- a/src/main/twirl/gitbucket/core/account/register.scala.html
+++ b/src/main/twirl/gitbucket/core/account/register.scala.html
@@ -2,49 +2,51 @@
 @import context._
 @import gitbucket.core.view.helpers._
 @html.main("Create your account"){
-<div class="container body main-center">
-  <h2>Create your account</h2>
-  <form action="@path/register" method="POST" validate="true">
-    <div class="row">
-      <div class="col-md-6">
-        <fieldset>
-          <label for="userName" class="strong">Username:</label>
-          <input type="text" name="userName" id="userName" value="" class="form-control" autofocus/>
-          <span id="error-userName" class="error"></span>
-        </fieldset>
-        <fieldset>
-          <label for="password" class="strong">
-            Password:
-          </label>
-          <input type="password" name="password" id="password" class="form-control" value=""/>
-          <span id="error-password" class="error"></span>
-        </fieldset>
-        <fieldset>
-          <label for="fullName" class="strong">Full Name:</label>
-          <input type="text" name="fullName" id="fullName" class="form-control" value=""/>
-          <span id="error-fullName" class="error"></span>
-        </fieldset>
-        <fieldset>
-          <label for="mailAddress" class="strong">Mail Address:</label>
-          <input type="text" name="mailAddress" id="mailAddress" class="form-control" value=""/>
-          <span id="error-mailAddress" class="error"></span>
-        </fieldset>
-        <fieldset>
-          <label for="url" class="strong">URL (optional):</label>
-          <input type="text" name="url" id="url" class="form-control" value=""/>
-          <span id="error-url" class="error"></span>
-        </fieldset>
+<div class="content-wrapper main-center">
+  <div class="content body">
+    <h2>Create your account</h2>
+    <form action="@path/register" method="POST" validate="true">
+      <div class="row">
+        <div class="col-md-6">
+          <fieldset>
+            <label for="userName" class="strong">Username:</label>
+            <input type="text" name="userName" id="userName" value="" class="form-control" autofocus/>
+            <span id="error-userName" class="error"></span>
+          </fieldset>
+          <fieldset>
+            <label for="password" class="strong">
+              Password:
+            </label>
+            <input type="password" name="password" id="password" class="form-control" value=""/>
+            <span id="error-password" class="error"></span>
+          </fieldset>
+          <fieldset>
+            <label for="fullName" class="strong">Full Name:</label>
+            <input type="text" name="fullName" id="fullName" class="form-control" value=""/>
+            <span id="error-fullName" class="error"></span>
+          </fieldset>
+          <fieldset>
+            <label for="mailAddress" class="strong">Mail Address:</label>
+            <input type="text" name="mailAddress" id="mailAddress" class="form-control" value=""/>
+            <span id="error-mailAddress" class="error"></span>
+          </fieldset>
+          <fieldset>
+            <label for="url" class="strong">URL (optional):</label>
+            <input type="text" name="url" id="url" class="form-control" value=""/>
+            <span id="error-url" class="error"></span>
+          </fieldset>
+        </div>
+        <div class="col-md-6">
+          <fieldset>
+            <label for="avatar" class="strong">Image (optional):</label>
+            @helper.html.uploadavatar(None)
+          </fieldset>
+        </div>
       </div>
-      <div class="col-md-6">
-        <fieldset>
-          <label for="avatar" class="strong">Image (optional):</label>
-          @helper.html.uploadavatar(None)
-        </fieldset>
-      </div>
-    </div>
-    <fieldset class="border-top">
-      <input type="submit" class="btn btn-success" value="Create account"/>
-    </fieldset>
-  </form>
+      <fieldset class="border-top">
+        <input type="submit" class="btn btn-success" value="Create account"/>
+      </fieldset>
+    </form>
+  </div>
 </div>
 }
diff --git a/src/main/twirl/gitbucket/core/main.scala.html b/src/main/twirl/gitbucket/core/main.scala.html
index ab1c366..730698c 100644
--- a/src/main/twirl/gitbucket/core/main.scala.html
+++ b/src/main/twirl/gitbucket/core/main.scala.html
@@ -52,7 +52,7 @@
     </script>
     <script src="@assets/vendors/AdminLTE-2.2.3/js/app.js" type="text/javascript"></script>
   </head>
-  <body class="skin-blue">
+  <body class="skin-blue fixed">
     <header class="main-header">
       <a href="@path/" class="logo">
         <img src="@assets/common/images/gitbucket.png" style="width: 24px; height: 24px; display: inline;"/>
diff --git a/src/main/twirl/gitbucket/core/signin.scala.html b/src/main/twirl/gitbucket/core/signin.scala.html
index ca80383..6b9f307 100644
--- a/src/main/twirl/gitbucket/core/signin.scala.html
+++ b/src/main/twirl/gitbucket/core/signin.scala.html
@@ -1,13 +1,17 @@
 @()(implicit context: gitbucket.core.controller.Context)
 @import context._
 @main("Sign in"){
-  <div class="signin-form">
-    @settings.information.map { information =>
-      <div class="alert alert-info" style="background-color: white; color: #555; border-color: #4183c4; font-size: small; line-height: 120%;">
-        <button type="button" class="close" data-dismiss="alert">&times;</button>
-        @Html(information)
+  <div class="content-wrapper main-center">
+    <div class="content body">
+      <div class="signin-form">
+        @settings.information.map { information =>
+          <div class="alert alert-info" style="background-color: white; color: #555; border-color: #4183c4; font-size: small; line-height: 120%;">
+            <button type="button" class="close" data-dismiss="alert">&times;</button>
+            @Html(information)
+          </div>
+        }
+        @signinform(settings)
       </div>
-    }
-    @signinform(settings)
+    </div>
   </div>
 }
diff --git a/src/main/webapp/assets/common/css/gitbucket.css b/src/main/webapp/assets/common/css/gitbucket.css
index a0b15e8..9ea0d14 100644
--- a/src/main/webapp/assets/common/css/gitbucket.css
+++ b/src/main/webapp/assets/common/css/gitbucket.css
@@ -359,7 +359,7 @@
   margin-left: 20px;
 }
 
-fieldset.margin {
+fieldset.border-top {
   border-top: 1px solid #eee;
   margin-top: 10px;
   padding-top: 10px;
@@ -1448,6 +1448,7 @@
 ul.collaborator a.remove {
   color: #dd0000;
   text-decoration: underline;
+  padding-top: 4px;
 }
 
 /****************************************************************************/