ba(0,0,0,0);
      -webkit-touch-callout: none;
    }

    section {
      padding: 20px 0;
    }

    section > div {
      padding: 14px;
      font-size: 16px;
    }

    paper-item {
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
    }

    html /deep/ core-collapse {
      border: 1px solid #ccc;
      padding: 8px;
    }

    .constrained-height {
      height: 150px;
    }

    .colored {
      color: #0f9d58;
    }

    .dropdown.colored::shadow #ripple,
    .dropd