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dotted边框:
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>制作我的第一个网页</title>
<style type="text/css">
.dotted{
width:150px;
height:150px;
border:149px dotted red;
}
</style>
</head>
<body>
<div class="dotted"></div>
</body>
</html>
效果:
改进后:
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>制作我的第一个网页</title>
<style type="text/css">
.box{
width:150px;
height:150px;
overflow:hidden;
}
.dotted{
width:100%;
height:100%;
border:149px dotted red;
}
</style>
</head>
<body>
<h1>Hello World</h1>
<div class="box">
<div class="dotted"></div>
</div>
</body>
</html>
效果如图: