晓枫

css.outer{ width: 50%; margin: 0 auto; text-align: center; } .inner{ display: inline-block; text-align: left; } p{ text-align: center; }html<div class="outer"&...

<div class="outer"> <div class="inner"></div> </div>第一种方法.outer{ height: 500px; width: 500px; border: solid 1px #000; position: relative;}.inner{ width: 100px; he...

cssdot { display: inline-block; height: 1em; line-height: 1; text-align: left; vertical-align: -.25em; overflow: hidden;}dot::before { display: block; content: '...\...

input, textarea, img, video, object {    box-sizing: border-box;}

    <style>        .rest{            counter-reset: wo;   //定义计数器名称        }        .counter:before{            content: counters(wo,"-") ",";  显示累加的数字            counter-increment: wo;  ...

html { overflow-y: scroll; /* for IE8 */}:root { overflow-y: auto; overflow-x: hidden;}:root body { position: absolute;}body { width: 100vw; overflow: hidden;} 

::-webkit-scrollbar { /* 血槽宽度 */ width: 8px; height: 8px;}::-webkit-scrollbar-thumb { /* 拖动条 */ background-color: rgba(0,0,0,.3); border-radius: 6px;}::-webkit-scrollbar-track { /* ...