sass-site/source/assets/css/components/_callouts.scss

.sl-c-callout {
  margin: 1.5rem 0;
  padding: 1.5rem 1rem;
  background: lighten($sl-color--pale-sky, 50%);

  &--warning { background: lighten($sl-color--hopbush, 36%); }

  &--fun-fact { background: lighten($sl-color--patina, 43%); }

  &--function {
    padding: {
      top: 0;
      bottom: .25rem;
    };

    .code-example { margin-top: -3rem; }

    .signature {
      margin: {
        right: -1rem;
        left: -1rem;
      };
    }
  }

  > *:first-child { margin-top: 0; }

  > *:last-child { margin-bottom: 0; }
}