摘要：<!DOCTYPE html><html><head> <title>CSS中的边框样式</title> <style >.ba{height: 100px; width: 100px; border: 1px solid #bbb; } </style></head><body><d
<!DOCTYPE html>
<html>
<head>
<title>CSS中的边框样式</title>
<style >
.ba{height: 100px; width: 100px; border: 1px solid #bbb; }
</style>
</head>
<body>
<div class="ba"></div>
</body>
</html>
批改老师：灭绝师太批改时间：2018-12-01 09:22:01
老师总结：作业完成的太简单了，最起码要把上课知识点都练习一下
