zdoc/assets/sass/components/_breadcrumb.scss

.breadcrumb {
  margin: 0 1rem;
  padding: 0.5rem 0;

  @include truncate($grid-body-width);

  ol {
    @include flexbox();
    @include align-items(center);
    @include flex-wrap(wrap);
  }

  li {
    display: inline;
    font-size: 0.9rem;
    
    a {
      @include themify($themes) {
        color: themed('breadcrumb-item-color');
        @include on-event {
          color: themed('link-hover');
        }
      }      
    }    

    &:last-child {
      @include themify($themes) {
        color: themed('breadcrumb-item-active-color');
      }
    }       
  }

  li+li:before {
    padding: 0.5rem;    
    content: "»";
    @include themify($themes) {
      color: themed('breadcrumb-item-color');
    }
  }
}