<html>
<head>
<meta charset="utf-8">
<title>内联元素与块元素的转换</title>
<style>
#d1{
width: 200px;
height: 200px;
background-color: red;
margin: auto;
padding: 50px;
/*将块元素转化内联元素*/
display: inline;
}
#s1{
width: 100px;
height: 100px;
background-color: blue;
margin: 50px 20px;
padding: 10px 30px;
/*将内联元素转化为块元素*/
display: block;
}
#d2{
width: 200px;
height: 200px;
background-color: yellow;
/*将元素隐藏*/
display: none;
}
</style>
</head>
<body>
<div id="d1">我是div</div>
<div id="d2">
<span id="s1">我是span</span>
</div>
</body>
</html>
原文：https://www.cnblogs.com/boss-H/p/10645302.html