/*css主要部分的样式*/
/*定义滚动条宽高及背景，宽高分别对应横竖滚动条的尺寸*/

        ::-webkit-scrollbar {
            width: 10px; /*对垂直流动条有效*/
            height: 10px; /*对水平流动条有效*/
        }

        /*定义滚动条的轨道颜色、内阴影及圆角*/
        ::-webkit-scrollbar-track{
            -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
            background-color: rosybrown;
            border-radius: 3px;
        }


       /*定义滑块颜色、内阴影及圆角*/
        ::-webkit-scrollbar-thumb{
            border-radius: 7px;
            -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
            background-color: #E8E8E8;
        }

        /*定义两端按钮的样式*/
        ::-webkit-scrollbar-button {
            background-color:cyan;
        }

        /*定义右下角汇合处的样式*/
       ::-webkit-scrollbar-corner {
            background:khaki;
        }

 ::-webkit-scrollbar-track-piece {
            background-color: darkred;

        }

::-webkit-scrollbar-track-piece {
            background-color: darkred;
            background-image:url(https://www.baidu.com/img/baidu_jgylogo3.gif);

        }

 ::-webkit-scrollbar-track{
            -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
            background-image:url(https://www.baidu.com/img/baidu_jgylogo3.gif);
            background-color: rosybrown;
            border-radius: 3px;
        }