<div style="height:500px;" class="scrollbar">
                <el-scrollbar style="height:100%">
                <!--放你需要滚动条的内容-->
                </el-scrollbar>
                </div>

下面是样式

  /*滚动条样式*/
    /deep/ .scrollbar {
        white-space: nowrap;
        .el-scrollbar {
        display: flex;
        justify-content: space-around;
        padding: 0 10px;
         }
    /deep/ .el-scrollbar__wrap {
    overflow: scroll;
    width: 110%;
    height: 100%;
    }

    }