滚动条 默认样式修改 (css)

// html结构
class="box">
class="boxItem">

"height:300px;">第一级1111

"height:500px;">第一级2222

第一级3333

// css 样式 .box{ width: 280px; height: 600px; position: absolute; top: 33px; left: 13px; /*cursor: pointer;*/ overflow:hidden; } .boxItem{ overflow-x: hidden; overflow-y: auto; color: #000; font-size: 14px; font-family: "\5FAE\8F6F\96C5\9ED1",Helvetica,"黑体",Arial,Tahoma; height: 100%; } /*滚动条样式*/ .boxItem::-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; } .boxItem::-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); } .boxItem::-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); }

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