console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>
盒子模型
</title>
<style type="text/css">
body{ margin: 0%; padding: 0%; } #box1 { background-color: #9cf; margin:
20px; border: 10px solid #039; padding: 40px; width: 200px; } #text{ background-color:
#fc0; height: 100px; } #box2{ background-color: #ccc; margin: 5px; height:
100px; padding-left: 30px; }
</style>
</head>
<body>
<div id="box1">
<div id="text">
学习CSS很重要
</div>
</div>
<div id="box2">
盒子模型需要认真理解
</div>
</body>
</html>