anchor.diff:          </form>
         </a>
       </li>
  +    <% end %>
         </ul>
       </div>
   
  
positive.code:     <title>RAND-bnb</title>
      <style>
  body{
    background-color: grey;
    margin-top: auto;
    margin-right: auto;
    margin-left: auto;
  
negative.code:         <b href='/'>
            <img src="../images/logo.jpg">
          </b>
          <% if current_user  %>
          <li class="button_topnav">
            <a>
              <form action='/sessions' method ='post' >
  