anchor.diff:      head
           meta(charset="utf-8")
           meta(http-equiv="X-UA-Compatible" content="IE=edge")
  +        meta(name="viewport" content="width=device-width, initial-scale=1")
           title react-native-renderer
           link(rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css")
           style(type='text/css').
  
positive.code:                 h4 Directives
                  a(href='./opacity_feedback.html') Opacity feedback
                  a(href='./ripple_feedback.html') Ripple feedback
              .content
                  block content
negative.code:                 background-color: #345d75;
              }
              .side-menu {
                  padding-top: 20px;
                  padding-left: 35px;
              }
              .side-menu a {
                  display: block;
              }
              .content {
                  padding: 20px 35px;
              }
              .content img.animatedgif {
                  display: block;
  