<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>边框的复合写法</title>
<style>
div {
width: 300px;
height: 200px;
/* border-width: 5px;
border-style: solid;
border-color: pink; */
/* 边框的复合写法 简写: */
/* border: 5px solid pink; */
/* 上边框 */
border-top: 5px solid pink;
/* 下边框 */
border-bottom: 10px dashed purple;
}
</style>
</head>
<body>
<div></div>
</body>
</html>