<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=0">
<title>flex demo</title>
<link rel="stylesheet" href="css/flexcss.css">
<style>
</style>
</head>
<body>
<div class="container">
<!--第一个骰子-->
<div class="row1">
<span></span>
</div>
<!--二个骰子-->
<div class="row2_0">
<span></span>
<span></span>
</div>
<div class="row2_1">
<span></span>
<span></span>
</div>
<div class="row2_2">
<span></span>
<span></span>
</div>
<div class="row2_3">
<span></span>
<span></span>
</div>
<!--三个骰子-->
<div class="row3_0">
<span></span>
<span></span>
<span></span>
</div>
<div class="row3_1">
<span></span>
<span></span>
<span></span>
</div>
<div class="row3_2">
<span></span>
<span></span>
<span></span>
</div>
<div class="row3_3">
<span></span>
<span></span>
<span></span>
</div>
<div class="row3_4">
<span></span>
<span></span>
<span></span>
</div>
<!--四个骰子-->
<div class="row4_0">
<div class="box">
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
</div>
</div>
<div class="row4_1">
<div class="box">
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
</div>
</div>
<!--五个骰子-->
<div class="row5_0">
<div class="box">
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
</div>
</div>
<!--六个骰子-->
<div class="row6_0">
<div class="box">
<span></span>
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
<span></span>
</div>
</div>
<div class="row6_0">
<div class="box">
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
</div>
</div>
<!--七个骰子-->
<div class="row7_0">
<div class="box">
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
</div>
</div>
<div class="row7_1">
<div class="box">
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
<span></span>
</div>
</div>
<!--八个骰子-->
<div class="row8_0">
<div class="box">
<span></span>
<span></span>
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
<span></span>
<span></span>
</div>
</div>
<div class="row8_0">
<div class="box">
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
</div>
</div>
<div class="row8_0">
<div class="box">
<span></span>
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
<span></span>
</div>
<div class="box">
<span></span>
<span></span>
<span></span>
</div>
</div>
</div>
</body>
</html>