anchor.diff:      background-image: url(<%= data_uri('graphics/graphic_portcullis-white-2x.png') %>);
     }
     .graphic-states-assembly-white {
  -    background-size: 100%;
       background-image: url(<%= data_uri('graphics/graphic_states-assembly-white-2x.png') %>);
     }
   }
  
positive.code:   }
  }
  #global-header {
    background-color: #080;
    padding-top: 15px;
    margin-top: -1px;
    margin-bottom: -1px;
  
negative.code:   width: 26px;
    height: 32px;
    background-image: url(<%= data_uri('graphics/graphic_states-assembly-white.png') %>);
    background-size: 100%;
  }
  @media only screen and (-webkit-min-device-pixel-ratio: 2), only screen and (min--moz-device-pixel-ratio: 2), only screen and (-o-min-device-pixel-ratio: 20 / 10), only screen and (min-device-pixel-ratio: 2), only screen and (min-resolution: 192dpi), only screen and (min-resolution: 2dppx) {
    .graphic-portcullis-white {
  