EXAMPLE
Run 
<!DOCTYPE html>
<html>

<head>
	<title>The grid property in CSS</title>
	<style type="text/css">
		#container {
		  display: grid;
		  grid: auto-flow / 1fr 1fr 1fr;
		  color: red;
		}
		
		#container > div {
		  background-color: pink;
		  width: 50px;
		  height: 50px;
		  color: red;
		}
	</style>
</head>

<body>
	<div id="container">
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
	</div>
</body>

</html>