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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
  
  <h3>GRID</h3>
  <section class="grid">
    <div>AAA</div><div>AAA</div>
	<div class="line"></div>
    <div>BBB</div><div>BBB</div>
	 <div class="line"></div>
    <div>CCC</div><div>DDD</div>
	 <div class="line"></div>
  </section>
  
  
  <h3>FLEX</h3>
  <section class="flex">
    <div>AAA</div><div>AAA</div>
	<div class="line"></div>
    <div>BBB</div><div>BBB</div>
	<div class="line"></div>
    <div>CCC</div><div>DDD</div>
	<div class="line"></div>
  </section>

</body>
</html>