A CSS class , an attribute used to define a group of HTML elements in order to apply unique styling and formatting to those elements with CSS.

Example :

<!DOCTYPE html>
<html lang="en">
<head>
    <title>class Selector</title>
    <style>
        .intro {
            background-color: yellow;
            color: red;
            font-weight: bold;
        }
    </style>
</head>
<body>
    <h1 class="intro">Welcome to my Web</h1>
    <p>Bio-Data</p>
    Name: OnWeb Sharma G <br>
    Class: PGDCA <br>
    Subject: Computer Application <br>
    <p class="intro">Address: Mainpuri, Uttar Pradesh</p>
</body>
</html>

Show Output

CSS 04 Class Sel Image

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