::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 5px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 8px;
    scrollbar-arrow-color: red;
  }
  
  /* 滚动条 */
::-webkit-scrollbar-thumb {
    border-radius: 5px;
    -webkit-box-shadow: inset 0 0 5px rgba(218, 218, 218, 0.2);
    box-shadow: inset 0 0 5px rgba(218, 218, 218, 0.2);
    background: rgba(218, 218, 218, 0.5);
    cursor: pointer;
    scrollbar-arrow-color: red;
  }
  
  /* 滚动槽 */
::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 5px rgba(218, 218, 218, 0.2);
    box-shadow: inset 0 0 5px rgba(218, 218, 218, 0.2);
    border-radius: 0;
    background: rgba(218, 218, 218, 0.1);
  }