<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Centering Image in CSS: margin - auto</title>
</head>
<body>
    <main>
        <section>
            <img src="https://user-images.githubusercontent.com/78242022/285645398-c1c1eec5-4e16-4a68-9216-b555264e7c10.jpg" alt="">
        </section>
    </main>
</body>
</html>
  main {
            width: 100vw;
            height: 100vh;
        }

        section {
            width: 50%;
            margin: 0 auto;
        }

        img {
            width: 100%;
        }

External CSS

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External JavaScript

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