<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<!--在这个位置的就是嵌入式,以style标签导入-->
<style type="text/css">
div{
width:300px;
height:300px;
background: yellowgreen;
}
</style>
</head>
<body>
<div>河马生鲜</div>
</body>
</html>