anchor.diff:  
       strong.underline {
         display: block;
  -      border-bottom: 1px solid #ccc;
  +      border-bottom: 1px solid #f1f1f1;
       }
   
       .changelog-expand {
         cursor: pointer;
  +      color: #cdcdcd;
       }
       .urgency-low {
  +      color: #cecece;
       }
       .urgency-medium {
         color: #e8ca71;
  
positive.code:     .urgency-high, .urgency-emergency, .urgency-critical {
        color: #c63617;
      }
    </style>
  </head>
  <body>
    <% instances.each do |instance_id, packages| %>
        <h2><%= instance_id.sub(".json", "") %></h2>
        <% packages.each do |pkg_name, pkg_info| %>
          <div>
            <strong class="underline">
            <% unless pkg_info["changelog"].empty? %>
   <i class="fa fa-plus-circle changelog-expand urgency-<%= pkg_info["changelog"].join.match(/urgency=(\w+)/)[1] %>"></i> 
            <% end %>
            <%= pkg_name %>
            </strong>
            <pre style="display: none;"><%= pkg_info["changelog"].join.gsub("\n", "<br>") %></pre>
          </div>
  
negative.code:       font-family: 'Ubuntu', sans-serif;
      }
      h2 {
        font-size: 32px;
        margin-bottom: 5px;
        border-bottom: 1px dotted #e0e0e0;
      }
      pre {
        font-family: 'Ubuntu Mono', ;
  