Webleb - Extraits de Code - Je ne sais pas

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>RGB Button</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: black;
            margin: 0;
        }
        .rgb-button {
            padding: 20px 40px;
            font-size: 20px;
            border: none;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .rgb-button:hover {
            background-color: rgb(255, 0, 0);
        }
    </style>
</head>
<body>
    <button class="rgb-button" onclick="changeColor()">Change Color</button>

CSS

JS