1.边框
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>07边框示例</title> <style>
div {
height: 200px;
width: 300px;
background-color: red;
/*border-width: 10px;*/
/*border-color: green;*/
/*border-style: solid; !* 实线 *!*/
/* 简写边框属性 */
/*border: 10px solid green; !* 10像素 实线 绿色的边框 *!*/
/*border: 10px dashed green;*/
/*border: 10px dot-dash green;*/
border: 10px dotted green; /* 10像素 点状线 绿色的边框*/
}
</style> </head>
<body> <div></div> </body>
</html>
