._angular {  @extend %simple;   .pre-title { @extend %pre-heading; }   .breadcrumbs { @extend %note; }  .banner { @extend %note-green; }  code.stable { @extend %label-green; }  code.experimental { @extend %label-orange; }  code.deprecated { @extend %label-red; }  .alert.is-important { @extend %note-red; }  .alert.is-helpful, .breadcrumbs { @extend %note-blue; }   .breadcrumbs { padding-left: 2em; }   img { margin: 1em 0; }   .location-badge {    font-style: italic;    text-align: right;  }   td h3 { margin: 0 !important; }}