原生滚动条样式修改

    /*滚动条样式*/
.tablebox::-webkit-scrollbar {/*滚动条整体样式*/
   width: 4px;     /*高宽分别对应横竖滚动条的尺寸*/
   height: 4px;
}
.tablebox::-webkit-scrollbar-thumb {/*滚动条里面小方块*/
   border-radius: 5px;
   -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
   background: rgba(0,0,0,0.1);
}
.tablebox::-webkit-scrollbar-track {/*滚动条里面轨道*/
   -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
   border-radius: 0;
   background: rgba(0,0,0,0.1);
}