anchor.diff:    top: auto;
   }
   
  -h1 {
  -  .emoji {
  -    vertical-align: middle;
  -  }
  -}
  -
   .emoji {
     vertical-align: text-bottom;
   }
  
positive.code:   h5 { line-height: $font-size-h5 * 0.9; }
    h6 { line-height: $font-size-h6 * 0.9; }
  
    h1 {
      background-color: rgba($gray-light, 0.6);
    }
  
negative.code: 
  .markdown {
  
    $markdown-font-size-h1: $font-size-h1 * 0.7;
    $markdown-font-size-h2: $font-size-h2 * 0.7;
    $markdown-font-size-h3: $font-size-h3 * 0.7;
    $markdown-font-size-h4: $font-size-h4 * 0.7;
    $markdown-font-size-h5: $font-size-h5 * 0.7;
    $markdown-font-size-h6: $font-size-h6 * 0.7;
  
    line-height: 1.3em;
  
    h1, h2, h3, h4, h5, h6 {
      margin-bottom: 16px;
    }
  
    h1 { font-size: $markdown-font-size-h1; }
    h2 { font-size: $markdown-font-size-h2; }
    h3 { font-size: $markdown-font-size-h3; }
    h4 { font-size: $markdown-font-size-h4; }
    h5 { font-size: $markdown-font-size-h5; }
    h6 { font-size: $markdown-font-size-h6; }
  
    h1 { line-height: $font-size-h1 * 0.9; }
    h2 { line-height: $font-size-h2 * 0.9; }
  