open_in_new content_copy 
flexboxDemo.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Flexbox and Animations Demo</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f4f4f4;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
        }

        .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            width: 80%;
            max-width: 1200px;
            margin: 20px;
            padding: 20px;
            background-color: white;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
            border-radius: 10px;
        }

        .box {
            flex: 1 1 200px;
            margin: 15px;
            padding: 20px;
            background-color: #4CAF50;
            color: white;
            text-align: center;
            border-radius: 8px;
            transition: transform 0.3s ease, background-color 0.3s ease;
            animation: fadeIn 0.5s ease forwards;
            opacity: 0;
        }

        @keyframes fadeIn {
            to {
                opacity: 1;
            }
        }

        .box:hover {
            transform: scale(1.05);
            background-color: #45a049;
        }

        h1 {
            margin-bottom: 20px;
        }
    </style>
</head>
<body>

    <h1>Flexbox and Animations Demo</h1>
    <div class="container">
        <div class="box">Box 1</div>
        <div class="box">Box 2</div>
        <div class="box">Box 3</div>
        <div class="box">Box 4</div>
        <div class="box">Box 5</div>
        <div class="box">Box 6</div>
    </div>

</body>
</html>