CSS隐藏滚动条

用法

隐藏滚动条但是还能滚动

.el-container {
    height: 100px !important;
    overflow: auto;
    scrollbar-width:none;            //火狐
    -ms-overflow-style:none;        //IE
    ::-webkit-scrollbar {            //谷歌
        display: none;
  }
}