diff --git a/app/views/repositories/commit_diff.html.erb b/app/views/repositories/commit_diff.html.erb
index 9a6000c35..915a5a818 100644
--- a/app/views/repositories/commit_diff.html.erb
+++ b/app/views/repositories/commit_diff.html.erb
@@ -1,59 +1,57 @@
-<div class="project_r_h" style="width:730px;">
-  <div class="fl"><h2 class="project_h2_repository"><%= render :partial => 'breadcrumbs', :locals => {:path => @path, :kind => 'dir', :revision => @rev} %></h2></div>
-</div>
-<!--<script>-->
-<!--//    $(document).ready(function(){-->
-<!--//        $("#changed-files").click(function(){-->
-<!--//            $("#changed-files-detail").toggle();-->
-<!--//        });-->
-<!--//    });-->
-<!--</script>-->
-<div class="showing-changes-info fontGrey2"> Commit <a href="javascript:void()" class="linkGrey3">
-  <%= @commit_details.id %></a><br />
-  <li class="commit js-toggle-container">
-    <%= render :partial => 'commit_details', :locals => {:changeset => @commit_details} %>
-  </li>
-</div>
-<div class="showing-changes-project f14"><%= @commit_details.message %></div>
-<!--<div class="showing-changes-row fontGrey2">Showing <a href="javascript:void()" class="linkGrey3" id="changed-files">3 changed files</a> with <span class="c_green">3 additions</span> and <span class="c_red">3 deletions</span>-->
+<div class="container-big">
+  <div class="project_r_h" style="width:970px;">
+    <div class="fl"><h2 class="project_h2_repository"><%= render :partial => 'breadcrumbs', :locals => {:path => @path, :kind => 'dir', :revision => @rev} %></h2></div>
+  </div>
+  <!--<script>-->
+  <!--//    $(document).ready(function(){-->
+  <!--//        $("#changed-files").click(function(){-->
+  <!--//            $("#changed-files-detail").toggle();-->
+  <!--//        });-->
+  <!--//    });-->
+  <!--</script>-->
+  <div class="showing-changes-info fontGrey2"> Commit <a href="javascript:void()" class="linkGrey3">
+    <%= @commit_details.id %></a><br />
+    <li class="commit js-toggle-container">
+      <%= render :partial => 'commit_details', :locals => {:changeset => @commit_details} %>
+    </li>
+  </div>
+  <div class="showing-changes-project f14"><%= @commit_details.message %></div>
+  <!--<div class="showing-changes-row fontGrey2">Showing <a href="javascript:void()" class="linkGrey3" id="changed-files">3 changed files</a> with <span class="c_green">3 additions</span> and <span class="c_red">3 deletions</span>-->
   <!--<ol class="mt10" id="changed-files-detail">-->
-    <!--<li><a href="javascript:void()" class="linkGrey3" id="changed-files">app/views/organizations/_org_course_homework.html.erb</a> </li>-->
-    <!--<li><a href="javascript:void()" class="linkGrey3" id="changed-files">app/views/users/_course_homework.html.erb</a> </li>-->
-    <!--<li><a href="javascript:void()" class="linkGrey3" id="changed-files">app/views/users/_user_homework_detail.html.erb</a> </li>-->
+  <!--<li><a href="javascript:void()" class="linkGrey3" id="changed-files">app/views/organizations/_org_course_homework.html.erb</a> </li>-->
+  <!--<li><a href="javascript:void()" class="linkGrey3" id="changed-files">app/views/users/_course_homework.html.erb</a> </li>-->
+  <!--<li><a href="javascript:void()" class="linkGrey3" id="changed-files">app/views/users/_user_homework_detail.html.erb</a> </li>-->
   <!--</ol>-->
-<!--</div>-->
+  <!--</div>-->
 
-<% @commit_diff.each do |cd| %>
-    <div class="showing-changes-row fontGrey2">
-      <a href="javascript:void()" class="linkGrey3" id="changed-files">
-        <img src="/images/vlicon/file.png" width="18" height="20" style="vertical-align:middle;" class="mr5" /><%= cd.new_path %>
-      </a>
-    </div>
-    <div class="autoscroll">
-      <table class="filecontent syntaxhl" style="width:100%;" >
-        <tbody>
-        <% line_num = diff_line_num(cd.diff) %>
-        <% diff_content = diff_content(cd.diff) %>
-        <% syntax_highlight_lines(cd.new_path, Redmine::CodesetUtil.to_utf8_by_setting(diff_content)).each do |line| %>
-            <tr>
-              <th class="line-num" id="L<%= line_num %>" style="vertical-align: top;">
-                <a href="#L<%= line_num %>" style="padding-top: 0px;"><%= line_num %></a>
-              </th>
-              <% if line[0,1] == "-" %>
-                  <td class="line-code diff_out"><pre style="width:auto;white-space: nowrap; "><%= line.html_safe %></pre></td>
-              <% elsif line[0,1] == "+" %>
-                  <td class="line-code diff_in"><pre style="width:auto;white-space: nowrap; "><%= line.html_safe %></pre></td>
-              <% else%>
-                  <td class="line-code"><pre style="width:auto;white-space: nowrap; "><%= line.html_safe %></pre></td>
-              <% end %>
-            </tr>
-            <% line_num += 1 %>
-        <% end %>
-        </tbody>
-      </table>
-    </div>
-<% end %>
-
-<script>
-    $(".project_r_h").parent().css({"width":"730px","background-color":"#fff","padding":"10px","margin-left":"10px","margin-bottom":"10px"});
-</script>
\ No newline at end of file
+  <% @commit_diff.each do |cd| %>
+      <div class="showing-changes-row fontGrey2">
+        <a href="javascript:void()" class="linkGrey3" id="changed-files">
+          <img src="/images/vlicon/file.png" width="18" height="20" style="vertical-align:middle;" class="mr5" /><%= cd.new_path %>
+        </a>
+      </div>
+      <div class="autoscroll">
+        <table class="filecontent syntaxhl" style="width:100%;" >
+          <tbody>
+          <% line_num = diff_line_num(cd.diff) %>
+          <% diff_content = diff_content(cd.diff) %>
+          <% syntax_highlight_lines(cd.new_path, Redmine::CodesetUtil.to_utf8_by_setting(diff_content)).each do |line| %>
+              <tr>
+                <th class="line-num" id="L<%= line_num %>" style="vertical-align: top;">
+                  <a href="#L<%= line_num %>" style="padding-top: 0px;"><%= line_num %></a>
+                </th>
+                <% if line[0,1] == "-" %>
+                    <td class="line-code diff_out"><pre style="width:auto;white-space: nowrap; "><%= line.html_safe %></pre></td>
+                <% elsif line[0,1] == "+" %>
+                    <td class="line-code diff_in"><pre style="width:auto;white-space: nowrap; "><%= line.html_safe %></pre></td>
+                <% else%>
+                    <td class="line-code"><pre style="width:auto;white-space: nowrap; "><%= line.html_safe %></pre></td>
+                <% end %>
+              </tr>
+              <% line_num += 1 %>
+          <% end %>
+          </tbody>
+        </table>
+      </div>
+  <% end %>
+</div>
diff --git a/public/stylesheets/css/project.css b/public/stylesheets/css/project.css
index 922ac4e8c..4c7ed2910 100644
--- a/public/stylesheets/css/project.css
+++ b/public/stylesheets/css/project.css
@@ -400,8 +400,8 @@ tr.open span.expander {background-image: url(/images/bullet_toggle_minus.png);}
 
 /*版本库diff*/
 .showing-changes-info {width:710px; padding:10px; padding-top: 0px; background-color:#ffffff; line-height:2;}
-.showing-changes-project {width:710px; padding:10px; border-top:1px solid #dce0e6; border-bottom:1px solid #dce0e6; background-color:#f1f1f1;}
-.showing-changes-row {width:710px; padding:10px; border-bottom:1px solid #dce0e6; background-color:#f1f1f1;}
+.showing-changes-project {padding:10px; border-top:1px solid #dce0e6; border-bottom:1px solid #dce0e6; background-color:#f1f1f1;}
+.showing-changes-row {padding:10px; border-bottom:1px solid #dce0e6; background-color:#f1f1f1;}
 #changed-files-detail {display:none;}
 #changed-files-detail li {list-style-type:disc; margin-left:15px;}
 .showing-changes-detail {width:670px; border-bottom:1px solid #dce0e6; background-color:#f1f1f1;}