
                                         to(#D1D1D1));
      border-left: 1px solid white;
      border-right: 1px solid #8e8e8e;
      cursor: ew-resize;
      flex: 0 0 auto;
      position: relative;
      width: 7px;
    }
    </style>
    <div></div>
  </template>
</dom-module>
<script>
'use strict';

Polymer({
  is: 'tr-ui-b-drag-handle',

  created() {
    this.lastMousePos_ = 0;
    this.onMouseMove_ = this.onMouseMove_.bind(this);
    this.onMouseUp_ = this.onMouseUp_.bind(this);
    this.addEvent