._node {  .api_stability { clear: both; }  .api_stability_0, .api_stability_1 { @extend %note, %note-red; }  .api_stability_2 { @extend %note; }  .api_stability_3, .api_stability_4 { @extend %note, %note-green; }  .api_stability_5 { @extend %note, %note-blue; }   > h2 { @extend %block-heading; }  > h3 { @extend %block-label, %label-blue; }  > h4 { @extend %block-label; }  > h2 + h2, > h3 + h3 { margin-top: 0; }   h3 { @extend %block-label, %label-blue}  h4 { @extend %block-label }   p > code, li > code, .type {    white-space: normal;    @extend %label;  }   .api_metadata {    float: right;    margin: 0 0 1em 1em;    @extend %label;  }   .srclink { float: right; }  details > table { margin: 0; }}