vice-width: 768px) {
            .container {
                flex-direction: column;
            }
        }
    </style>
</head>
<body>
<div class="container">
    <div data-title="Source">
        <img id="image" src="../assets/image.jpg" alt="image">
    </div>
    <div data-title="Source">
        <video id="video" src="../assets/video.mp4" muted playsinline></video>
    </div>
    <div data-title="Canvas WebGL">
        <canvas id="canvas3d"></canvas>
    </div>
    <div data-title="Canvas 2D">
      