25.html

<!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>media queries</title>

    <style>
        .screen{
            font-size: 150px;
            text-align: center;
            /* display none will hide all the elements */
            display: none;
        }

        /* media is declared outside the tag */
        /* media is like if else,if condition is true then the corresponding element will be shown */
        @media only screen and (max-width: 600px){
        #screen1{
            background-color: blueviolet;
            color: aqua;
            display: block;
        }
    }
        @media only screen and (min-width: 601px) and (max-width: 1200px){
        #screen2{
            background-color: black;
            color: white;
            display: block;
        }
    }
        @media only screen and (min-width: 1201px) and (max-width: 1500px){
        #screen3{
            background-color: chartreuse;
            color: black;
            display: block;
        }
    }
        @media only screen and (min-width: 1501px){
        #screen4{
            background-color: red;
            color: yellow;
            display: block;
        }
    }
    </style>
</head>
<body>
    
    <div class="screen" id="screen1">Iphone screen</div>
    <div class="screen" id="screen2">Ipad screen</div>
    <div class="screen" id="screen3">Desktop screen</div>
    <div class="screen" id="screen4">wide screen</div>

</body>
</html>