anchor.diff:            <span class="icon-bar"></span>
             <span class="icon-bar"></span>
           </button>
  -        <a class="navbar-brand" href="#">GlassGuide</a>
  +        <a class="navbar-brand" href="#">メガネガイド</a>
           <div class="navbar-collapse collapse navbar-responsive-collapse">
             <ul class="nav navbar-nav">
  -            <li><%= link_to "Link1", "/path1"  %></li>
  -            <li><%= link_to "Link2", "/path2"  %></li>
  -            <li><%= link_to "Link3", "/path3"  %></li>
             </ul>
           </div>
         </div>
  
positive.code: 
      <div class="container">
        <div class="row">
          <div class="col-lg-9">
            <%= bootstrap_flash %>
            <%= yield %>
          </div>
          <div class="col-lg-3">
            <div class="well sidebar-nav">
              <h3>Sidebar</h3>
              <ul class="nav nav-list">
                <li class="nav-header">Sidebar</li>
                <li><%= link_to "Link1", "/path1"  %></li>
                <li><%= link_to "Link2", "/path2"  %></li>
                <li><%= link_to "Link3", "/path3"  %></li>
              </ul>
            </div><!--/.well -->
          </div><!--/span-->
        </div><!--/row-->
  
        <footer>
  
negative.code: 
      <%= stylesheet_link_tag "application", :media => "all" %>
  
      <%= javascript_include_tag "application" %>
    </head>
    <body>
  