anchor.diff:  
       .log ul li a:hover {
         text-decoration: underline;
  +      color: black;
       }
   
     </style>
  
positive.code:       width: 15%;
        margin-right: 10px;
        display: inline-block;
  
        clear: both;
      }
  
negative.code:         <% log_output.each do |line| %>
            <li>
              <% if fetch(:github_url, nil) %>
              <a href="<%= github_url %>/commit/<%= line[0] %>"><%= line[0] %></a>
              <% else %>
              <%= line[0] %>
              <% end %>
  