anchor.diff:   </div>
    </article>
   </section>
  -</div>
  -<div class= "container backgindex-bottom">
  +
  +
   
   
   <footer id="wall">
    <article class="row-fluid article">
   <div class="span11">
   
  - <div class="space"></div>
  - <div class="span4 send_messag size10 red-2 upfoll users_btn_follow">
  - <div class="follow-link-contact_346">
  - <div class="follow-button">
  +
  + <div class="span3 inline">
  + <div class="span btn-m btn-red pull-right">
  + 
    <%= link_to t('sign_up'), new_user_registration_path %>
  + 
    </div>
    </div>
  - </div>
  - <div class="span4 size10 ">
  - <div class="button">
  - <div class="btn explore-button">
  - <a class="size15" href="/explore"><%= t('explore') %></a>
  + <div class="span1 inline-block"> </div>
  + <div class="span4 inline-block">
  + <div class="span btn-m btn-green pull-right">
  + <a href="/explore"><%= t('explore') %></a>
  +
    </div>
    </div>
  - </div>
  - <div class="span4 send_messag size10 red-2 upfoll users_btn_follow">
  - <div class="follow-link-contact_346">
  - <div class="follow-button">
  + <div class="span1 inline-block"> </div>
  + <div class="span3 inline-block">
  + <div class="span btn-m btn-red pull-right">
  +
    <%= link_to t('devise.links.sign_in'), new_user_session_path %>
  - </div>
  +
    </div>
    </div>
    </div>
    </article>
    </footer>
  - </div>
  
positive.code: 
  
   </div>
   <div class="span11 dsigneslight gray">
   <div class="span12 pagination-right size30">nanotechnology</div>
   <div class="span12 size30">grid computing</div>
   <div class="span12">
  
negative.code:   <%= t('welcome', :site => t('site.name')) %>
  <%end%>
  
  
  
  <section id= "wall">
   <article class="row-fluid article">
  