.test{
    width: 468px;
    height: 200px;
    overflow: auto;
    float: left;
    margin: 0px;
    border: none;
    font-size:14px;
}
.scrollbar{
    width: 30px;
    height: 300px;
    margin: 0 auto;
 
}
.test-1::-webkit-scrollbar {/*滚动条整体样式*/
        width: 10px;     /*高宽分别对应横竖滚动条的尺寸*/
        height: 1px;
        margin-left:10px;
    }
.test-1::-webkit-scrollbar-thumb {/*滚动条里面小方块*/
        border-radius: 10px;
         -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
        background: #535353;
    }
.test-1::-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: 10px;
        background: #EDEDED;
    }