::-webkit-scrollbar {
    width: 8px;
    height: 10px;
}
::-webkit-scrollbar-thumb {
    background-color: rgba(0,0,0,.2);
    border-radius: 6px;
    cursor: pointer;
}
::-webkit-scrollbar-track {
    background-color: #ddd;
    border-radius: 6px;
}

标题名称：修改浏览器滚动条样式
URL网址：http://kswsj.cn/article/pggepc.html