demo/css-grid/example18.html

<!DOCTYPE html>
<html>
  <head>
    <title>Example 18</title>
    <meta charset="utf-8">
    <style>
	body {
		margin: 40px;
	}

	.box {
		background-color: #444;
		color: #fff;
		border-radius: 5px;
		padding: 20px;
		font-size: 150%;


	}

	.box:nth-child(even){
		background-color: #ccc;
		color: #000;
	}

	.wrapper {
		width: 600px;
		display: grid;
		grid-template-columns: repeat(6, 100px);
		grid-template-rows: 100px 100px 100px ;
		grid-auto-flow: column;
	}


   </style>
</head>

 <body>
  	
	 <div class="wrapper">
	 	<div class="box">1</div>
	 	<div class="box">2</div>
	 	<div class="box">3</div>
	 	<div class="box">4</div>
	 	<div class="box">5</div>
	 	<div class="box">6</div>
	 	<div class="box">7</div>
	 	<div class="box">8</div>
	 	<div class="box">9</div>
	 	<div class="box">10</div>
	 	<div class="box">11</div>
	 	<div class="box">12</div>
	</div>
	<script src="../../bin/css-polyfills.min.js"></script>
</body>
</html>