摘要：<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>css盒子边框</title></head><body> <div style=&q
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>css盒子边框</title>
</head>
<body>
<div style="height: 200px;width: 200px;margin: 40px auto;padding: 40px;border: 2px solid red;background: skyblue; line-height:200px;">我是盒子</div>
</body>
</html>
批改老师：灭绝师太批改时间：2019-01-06 09:26:14
老师总结：测试代码有点简单奥！开始的学习知识点比较单一要多多练习！
