<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"><!--viewport meta元素控制移动端浏览器的宽度和缩放。为了自适应设备的宽度，需要加入该行-->
<title></title>
<link href="css/demo1.css" rel="stylesheet" />
<link href="css/pure-min.css" rel="stylesheet" /><!--将pure引入页面-->
<link href="css/grids-responsive-min.css" rel="stylesheet" /><!--引入响应式pure的栅格系统-->
</head>
<body>
<div class="pure-g" id="d1"><!--固定写法必须放在class=pure-g里面-->
<div class="pure-u-1 pure-u-sm-1-2 pure-u-md-1-3 pure-u-lg-1-6"><p>AAAA</p></div><!--单元格大小是分数-->
<div class="pure-u-1 pure-u-sm-1-2 pure-u-md-1-3 pure-u-lg-1-6"><p>AAAA</p></div>
<div class="pure-u-1 pure-u-sm-1-2 pure-u-md-1-3 pure-u-lg-1-6"><p>AAAA</p></div>
<div class="pure-u-1 pure-u-sm-1-2 pure-u-md-1-3 pure-u-lg-1-6"><p>AAAA</p></div>
<div class="pure-u-1 pure-u-sm-1-2 pure-u-md-1-3 pure-u-lg-1-6"><p>AAAA</p></div>
<div class="pure-u-1 pure-u-sm-1-2 pure-u-md-1-3 pure-u-lg-1-6"><p>AAAA</p></div>
<!--<div class="pure-u-1 pure-u-sm-2-5 pure-u-md-4-5"><p>AAAA</p></div>两个单元格相加要等于1
<div class="pure-u-1 pure-u-sm-3-5 pure-u-md-1-5"><p>AAAA</p></div>-->
</div>
</body>
</html>