<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
??? <title>scroll </title>
???<style>
???????.inner{
???????????width: 265px;
???????????height: 400px;
???????????position: absolute;
???????????top: 33px;
???????????left: 13px;
???????????/*cursor: pointer;*/
???????????overflow:hidden;
???????}
???????.innerbox{
???????????overflow-x: hidden;
???????????overflow-y: auto;
???????????color: #000;
???????????font-size: .7rem;
???????????font-family: "\5FAE\8F6F\96C5\9ED1",Helvetica,"黑体",Arial,Tahoma;
???????????height: 100%;
???????}
???????/*核心代码*/
???????.innerbox::-webkit-scrollbar {/*滚动条整体样式*/
???????????width: 4px; ????/*高宽分别对应横竖滚动条的尺寸*/
???????????height: 4px;
???????}
???????.innerbox::-webkit-scrollbar-thumb {/*滚动条里面小方块*/
???????????border-radius: 5px;
???????????-webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
???????????background: rgba(0,0,0,0.2);
???????}
???????.innerbox::-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: 0;
???????????background: rgba(0,0,0,0.1);
???????}
???????/*核心代码*/
???</style>
</head>
<body>
<div class="inner">
???<div class="innerbox">
???????<p style="height:200px;">111</p>
???????<p style="height:400px;">222</p>
???????<p>333</p>
???</div>
</div>
</body>
</html>
css实现修改默认滚动条样式
原文地址：https://www.cnblogs.com/lan-f/p/9826175.html