css 媒体查询

<!DOCTYPE html>
<html >
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<style>
    @media only screen and (max-width:1280px){
        h1{
            color: pink;
        }
    }
    
    
    @media only screen and (min-width:1281px) and (max-width:1366px){
        h1{
            color:red;
        }
    }

    @media only screen and (min-width:1367px) and (max-width:1440px){
        h1{
            color:yellow;
        }
    }

     @media only screen and (min-width:1441px) {
        h1{
            color:green;
        }
    }
    
</style>
<body>
    <h1>媒体查询测试</h1>
</body>
</html>