anchor.diff:      margin-top: -1px;
   
       li.active a, li:active a, li:hover a {
  -      background: mix($default_color, $default_text, 90%);
  -      color:      mix($default_text, $default_color, 90%);
  +      background: mix($panel_color, $panel_text, 90%);
  +      color:      mix($panel_text, $panel_color, 90%);
       }
     }
   
     // Lists
   
     .list-group .list-group-item {
  -    background-color: $default_color;
  -    color:            $default_text;
  -    border-color:     $default_border;
  +    background-color: $panel_color;
  +    color:            $panel_text;
  +    border-color:     $panel_border;
   
       .badge {
  -      background-color: $default_text;
  -      border-color:     $default_border;
  -      color:            $default_color;
  -    }
  -
  -    .active, &:hover {
  +      background-color: $panel_text;
  +      border-color:     $panel_border;
  +      color:            $panel_color;
  +    }
  +
  +    &.active, &:hover {
         background-color: $primary_color;
         color:            $primary_text;
         border-color:     $primary_border;
  
positive.code: // TODO: Use canonical colours rather than this test midnight scheme.
  
  // LEGEND
  
  // TYPE_COLOR:  BACKGROUND COLOR
  
negative.code:   // Notifications
  
    .media, #notifications .list-group-item {
      color:      $panel_text;
      background: $panel_color;
    }
  
    .media {
      background: transparent;
    }
  
    // Headers
  