anchor.diff:  
           header.exception h2,
           header.exception p {
  -            overflow: visible;
  -            white-space: normal;
  +            padding-right: 20px;
  +            overflow-y: auto;
               word-wrap: break-word;
               height: auto;
  +            max-height: 7em;
           }
       }
   
  
positive.code:     header.exception {
          padding: 18px 20px;
  
          height: 57px;
          overflow: hidden;
  
          background-color: #20202a;
  
negative.code:         nav.sidebar,
          .frame_info {
              position: fixed;
              top: 95px;
              bottom: 0;
  
              box-sizing: border-box;
  