实现一个排列
<!DOCTYPE html>
<html lang="en">
<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>
.mainDiv {
float: left;
margin-left: 10%;
width: 80%;
margin-top: 2%;
height: 400px;
background-color: #FFEBCD;
}
.viceDiv_1,
.viceDiv_2,
.viceDiv_3 {
float: left;
background-color: #7FFFD4;
margin-top: 2%;
margin-left: 2.5%;
width: 30%;
height: 150px;
}
</style>
</head>
<body>
<div class="mainDiv">
<div class="viceDiv_1">
</div>
<div class="viceDiv_2">
</div>
<div class="viceDiv_3">
</div>
<div class="viceDiv_1">
</div>
<div class="viceDiv_2">
</div>
<div class="viceDiv_3">
</div>
</div>
<script>
</script>
</body>
</html>
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