> paper-ripple {
      color: #4285f4;
    }

    /* FAB */
    .fab {
      position: relative;
      display: inline-block;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      color: #fff;
      overflow: hidden;
      transition: box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      transition-delay: 0.2s;
      box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
    }

    .fab.red {
      background-color: #d23f31;
    }

    .fab.blue {
      background-color: #4285f4;
    }

    .fab.green 