angular/adev/shared-docs/styles/_api-item-label.scss

@mixin api-item-label() {
  .docs-api-item-label {
    display: flex;
    --label-theme: var(--symbolic-purple);
    font-weight: 500;
    color: var(--label-theme);
    background: color-mix(in srgb, var(--label-theme) 10%, white);
    border-radius: 0.25rem;
    cursor: default;

    &:first-letter {
      text-transform: uppercase;
    }

    &:not(.full) {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 22px;
      width: 22px;
      flex: 0 0 22px;
    }

    &.full {
      font-size: 0.75rem;
      &:not(:has(*)), &:not(:has(a span, span)) {
        // if no children, just a text node, or
        // no children with span
        padding: 0.25rem 0.5rem;
      }
    }

    a {
      display: flex;
      color: var(--label-theme);

      &:hover {
        .status-label {
          text-decoration: underline;
        }
      }
    }

    .status-version,
    .status-label {
      padding: 0.25rem 0.5rem;
    }

    .status-version {
      position: relative;
      background-color: var(--septenary-contrast);
      color: var(--secondary-contrast);
      border-bottom-right-radius: 0.25rem;
      border-top-right-radius: 0.25rem;
      text-align: right;
    }

    @media screen and (prefers-color-scheme: dark) {
      background: color-mix(in srgb, var(--label-theme) 17%, #272727);
    }

    .docs-dark-mode & {
      background: color-mix(in srgb, var(--label-theme) 17%, #272727);
    }

    .docs-light-mode & {
      background: color-mix(in srgb, var(--label-theme) 10%, white);
    }

    &.type-undecorated_class,
    &.type-class {
      --label-theme: var(--symbolic-purple);
    }

    &.type-constant,
    &.type-const {
      --label-theme: var(--symbolic-gray);
    }

    &.type-decorator {
      --label-theme: var(--symbolic-blue);
    }

    &.type-directive {
      --label-theme: var(--symbolic-pink);
    }

    &.type-element {
      --label-theme: var(--symbolic-orange);
    }

    &.type-enum {
      --label-theme: var(--symbolic-yellow);
    }

    &.type-function {
      --label-theme: var(--symbolic-green);
    }

    &.type-interface {
      --label-theme: var(--symbolic-cyan);
    }

    &.type-pipe {
      --label-theme: var(--symbolic-teal);
    }

    &.type-impure-pipe {
      --label-theme: var(--symbolic-pink);
    }

    &.type-ng_module {
      --label-theme: var(--symbolic-brown);
    }

    &.type-type_alias {
      --label-theme: var(--symbolic-lime);
    }

    &.type-block {
      --label-theme: var(--vivid-pink);
    }

    &.type-developer_preview,
    &.type-deprecated {
      --label-theme: var(--hot-red);
    }
  }
}