<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>元素转换</title>
<style type="text/css">
a{
display: block;/* 行元素转化为块元素 */
background-color: #a8a8a8;
width: 500px;
height: 100px;
}
p{
background-color: #e6ff3e;
width: 500px;
height: 200px;
display: inline;/* 块元素转化为行元素 */
display: none;/* 将元素隐藏 （大小内容全部隐藏）*/
}
</style>
</head>
<body>
<a href="">
hello word
</a>
<p>
hello word
</p>
</body>
</html>
