TA貢獻(xiàn)1847條經(jīng)驗(yàn) 獲得超7個(gè)贊
試試用 text-align: justify;吧，寬度不用寫死，百分比也行，其實(shí)還是比較推薦用js控制計(jì)算的，.mybox的padding可以用calc計(jì)算，當(dāng)然你要兼容ie8還是用js計(jì)算吧
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
.mybox{
width: 800px;
border: 1px solid #000000;
height: 500px;
text-align: justify;
text-justify: inter-ideograph;
padding: 100px;
}
.mybox:after{
content: '';
width: 100%;
position: relative;
display: inline-block;
}
.mybox .box{
width: 12.5%;
background: red;
display: inline-block;
position:relative;
}
.box:before{
content: '';
padding-top: 100%;
box-sizing: border-box;
display: block;
width: 0;
}
.pox{
position:absolute;
height:100%;
width:100%;
left: 0;
top: 0;
border: 1px solid red;
box-sizing: border-box;
}
</style>
</head>
<body>
<body >
<div class="mybox">
<div class="box"><div class="pox"></div></div>
<div class="box"><div class="pox"></div></div>
<div class="box"><div class="pox"></div></div>
<div class="box"><div class="pox"></div></div>
<div class="box"><div class="pox"></div></div>
</div>
</body>
</body>
</html>
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