calac 和flexbox搭配，用来写流式布局非常好；
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS3 Calc</title>
<style type="text/css" media="screen">
html{
font-size:62.5%;
}
.wrapper{
width:100%;
border:5px solid #f00;
margin:10px ;
box-sizing:border-box;
height:200px;
clear:both;
}
.items{
height:calc(100% - 40px);
display:inline-block;
border:1px solid #f70;
text-align:center;
}
.w1 .items{
float:left;
margin-top:calc( 5 * 4px );
border:3px solid #0F16C6;
width:calc(100% / 3 - 6px)
}
.w2 .items{
float:left;
margin-top:calc(200px - 20px * 9);
width:calc(100% / 3 - 2px)
}
.w3 .items{
float:left;
width:calc(100% / 3 - (3 * 6px));
margin:calc(2px * 4 );
}
.w3 .items:first-child{
padding:calc(5 * 1rem - 3rem);
box-sizing:border-box;
}
</style>
</head>
<body>
<div class="wrapper w1">
<div class="items">margin-top:calc( 5 * 4px );</div>
<div class="items">margin-top:calc( 5 * 4px );</div>
<div class="items">margin-top:calc( 5 * 4px );</div>
</div>
<div class="wrapper w2">
<div class="items">margin-top:calc(200px - 20px * 9);</div>
<div class="items">margin-top:calc(200px - 20px * 9);</div>
<div class="items">margin-top:calc(200px - 20px * 9);</div>
</div>
<div class="wrapper w3">
<div class="items">width:calc(100% / 3 - (3 * 6px));<br>margin:calc(2px * 4 );<br>padding:calc(5 * 1rem - 3rem);</div>
<div class="items">width:calc(100% / 3 - (3 * 6px));<br>margin:calc(2px * 4 )</div>
<div class="items">width:calc(100% / 3 - (3 * 6px));<br>margin:calc(2px * 4 )</div>
</div>
</body>
</html>
时间： 2024-10-12 02:53:36