anchor.diff:  </head>
   <body prefix="schema: http://schema.org/">
     <header role="banner">
  -   <section class="center-align">
  -    <div class="logo">
  -      <a href="/"><%= image_tag("logo-od4d2.png", :alt => "Open Data for Development") %></a>
  -    </div>
  -
  +    <section class="center-align">
  +      <div class="logo">
  +        <a href="/"><%= image_tag("logo-od4d2.png", :alt => "Open Data for Development") %></a>
  +      </div>
         <div class="div-nav-menu">
           <nav class="top-bar nav-alignment" data-topbar role="navigation">
             <ul class="title-area">
  
positive.code:              <!-- Remove the class "menu-icon" to get rid of menu icon. Take out "Menu" to just have icon alone -->
              <li class="toggle-topbar menu-icon"><a href="#"><span>Menu</span></a></li>
            </ul>
  
            <section class="top-bar-section">
              <ul class="right">
                  <li><%= link_to("ABOUT THE PROJECT", controller: "pages", action: "about") %></li>
                  <li><%= link_to("CONNECTED NETWORK", controller: "articles") %></li>
                  <li><%= link_to("PARTNERS", controller: "partners") %></li>
                  <li class="has-dropdown">
                    <a href="#">LEARN</a>
                    <ul class="dropdown">
                      <li><%= link_to("CONNECT WITH US", controller: "learn", action: "how_to_integrate_with_od4d") %></li>
                      <li><%= link_to("INTRODUCTION RDF AND RDFa", controller: "learn", action: "introduction_to_rdf_and_rdfa") %></li>
  
negative.code:                 </li>
                  <li><a href="https://github.com/W3CBrasil/OD4D" target="blank"><%= image_tag("github32.png", :alt => "contribute on github") %></a></li>
              </ul>
            </section>
          </nav>
        </div>
      </section>
    </header>
  
    <%= yield %>
  