/* 设置滚动条的样式 */

  ::-webkit-scrollbar {
  width: 12px;
  }

  /* 滚动槽 */  

::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 1px rgba(0,0,0,0.3);
  border-radius: 5px;
  }

  /* 滚动条滑块 */  

::-webkit-scrollbar-thumb {
  border-radius: 5px;
  background: rgba(0,0,0,0.1);
  -webkit-box-shadow: inset 0 0 1px rgba(0,0,0,0.5);
  }