/* CSS Document */
body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
        }
        .video-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            width: 90%;
            margin: 20px auto;
        }
        .video-container {
            border: 1px solid #ccc;
            padding: 10px;
            border-radius: 8px;
            text-align: center;
            background-color: #f9f9f9;
        }
        video {
            width: 100%;
            border-radius: 8px;
        }
        button {
            margin: 5px;
            padding: 10px 15px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        .play { background-color: #4CAF50; color: white; }
        .pause { background-color: #FFC107; color: white; }
        .stop { background-color: #F44336; color: white; }