Demo: CSS scroll-behavior

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Scroll Behavior Example</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <h1>Smooth Scroll Behavior Example</h1>
    <nav>
        <ul>
            <li><a href="#section1">Go to Section 1</a></li>
            <li><a href="#section2">Go to Section 2</a></li>
            <li><a href="#section3">Go to Section 3</a></li>
        </ul>
    </nav>
    <div class="content">
        <div id="section1" class="section">Section 1</div>
        <div id="section2" class="section">Section 2</div>
        <div id="section3" class="section">Section 3</div>
    </div>
</body>
</html>

html {
    scroll-behavior: smooth;
}

nav {
    position: fixed;
    top: 0;
    background: white;
    padding: 10px;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.content {
    margin-top: 60px;
}

.section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    background-color: lightcoral;
    border: 1px solid #ccc;
}

// No JavaScript required for this demo