<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>HTML5 Video Player</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            background-color: #f0f2f5;
        }
        .container {
            max-width: 800px;
            margin: 50px auto;
            padding: 20px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        video {
            width: 100%;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        h1 {
            color: #333;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>HTML5 Video Player</h1>
        <video controls>
            <source src="https://www.w3schools.com/html/mov_bbb.mp4" type="video/mp4">
            Your browser does not support the video tag.
        </video>
    </div>
</body>
</html>    }
    </style>
</head>
<body>
    <div class="container">
        <h1>HTML5 Video Player</h1>
        <video controls>
            <source src="https://www.w3schools.com/html/mov_bbb.mp4" type="video/mp4">
            Your browser does not support the video tag.
        </video>
    </div>
</body>
</html>    }
    </style>
</head>
<body>
    <div class="container">
        <h1>HTML5 Video Player</h1>
        <video controls>
            <source src="https://www.w3schools.com/html/mov_bbb.mp4" type="video/mp4">
            Your browser does not support the video tag.
        </video>
    </div>
</body>
</html>