5.2其他样式width: 200px; height: 200px; border: 2px solid red; /

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>
	<style>
		div{
			width: 200px;
			height: 200px;
			border: 2px solid red;
			/* display inline 将当前块级元素设置为行内元素 */
			display: inline;
			/* display inline-block 将当前元素设置为行内块元素 
				既具有行内元素特点 同时具有行内块级元素特点
			*/
			display: inline-block;
			
		}
		span{
			width: 100px;
			height: 100px;
			border: 1px solid red;
			display: inline-block;
		}
	</style>
</head>
<body>
	<div>我是一个div</div>
	<span>我是行内元素</span><span>我是行内元素</span>
	<div>我是一个div</div>
</body>
</html>