anchor.diff:    padding: 0 $sidebar_margin;
     text-transform: uppercase;
     box-sizing: border-box;
  -  @include box-shadow(0 2px 4px rgba(0,0,0,0.25));
     @include shadow-black(0.25);
     h1, h2, h3, h4, h5, h6 {
       font-weight: 600;
  
positive.code:   background-color: darken(#7a796e, 1%);
  }
  header.blue, .gradient.blue {
    border-top: 1px solid;
    border-bottom: 1px solid;
    border-color: #5E9B99;
    @include gradient-vertical(#93d2d0, #679a98);
  
negative.code:       white-space: nowrap;
        text-overflow: ellipsis;
      }
  
    }
    @media (min-width:480px){
      z-index:1;
      @include box-shadow(2px 0px 4px rgba(0,0,0,0.25));
    }
  }
  
  