if (hexo-config('bookmark.enable')) {
  .book-mark-link {
    border-bottom: 0;
    position: fixed;
    top: -10px;
    transition: top .3s;
    sidebar-toggle-position(true);

    +tablet-mobile() {
      display: none;
    }

    &::before {
      color: convert(hexo-config('bookmark.color'));
      font-size: 32px;
      line-height: 1;
      font-family-icons('\f02e');
    }
  }

  .book-mark-link:hover, .book-mark-link-fixed {
    top: -2px;
  }
}