代码
提交代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
@media only screen and (min-width:600px) and ( max-width:800px){
html,body{
background:red;
}
}
</style>
<body>
</body>
</html>
运行结果