مشاهده و تمرین روی کد ها

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
.example {
    padding: 20px;
    color: white;
}
/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {
    .example {background: red;}
}

/* Small devices (portrait tablets and large phones, 600px and up) */
@media only screen and (min-width: 600px) {
    .example {background: green;}
}

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {
    .example {background: blue;}
} 

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {
    .example {background: orange;}
} 

/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px) {
    .example {background: pink;}
}
</style>
</head>
<body>

<h2>Typical Media Query Breakpoints</h2>
<p class="example">Resize the browser window to see how the background color of this paragraph changes on different screen sizes.</p>

</body>
</html>

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