修正content上方横线的显示问题

app/views/documents/index.html.erb

@@ -1,10 +1,12 @@
 <div class="contextual">
+  <!--Moved by young-->
   <%= l(:label_documents_sort) %>
   <%= link_to l(:field_category), {:sort_by => 'category'}, :class => (@sort_by == 'category' ? 'selected' :nil) %>
   <%= link_to l(:label_date), {:sort_by => 'date'}, :class => (@sort_by == 'date' ? 'selected' :nil) %>
   <%= link_to l(:field_title), {:sort_by => 'title'}, :class => (@sort_by == 'title' ? 'selected' :nil) %>
   <%= link_to l(:field_author), {:sort_by => 'author'}, :class => (@sort_by == 'author' ? 'selected' :nil) %>
   |
+  <!--Ended by young-->
   <%= link_to l(:label_document_new), new_project_document_path(@project), :class => 'icon icon-add',
       :onclick => 'showAndScrollTo("add-document", "document_title"); return false;' if User.current.allowed_to?(:add_documents, @project) %>
 </div>

app/views/layouts/_base_header.html.erb

@@ -5,5 +5,5 @@
 		<%= content_tag('div', "#{l(:label_logged_as)} #{link_to_user(User.current, :format => :username)}".html_safe, :id => 'loggedas') if User.current.logged? %>
 		<%= render_menu :top_menu if User.current.logged? || !Setting.login_required? -%>
 </div>
-<div style="border-top:solid 1px #C6E9F1;width:940px;margin-left:483px;margin-bottom: 5px;"></div>
+<div style="border-top:solid 1px #C6E9F1;width:940px;margin-left:auto;margin-right:auto;margin-bottom: 5px;"></div>