::-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;
}

当前名称：修改浏览器滚动条样式
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