index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <link rel="stylesheet" href="./src/css/layout.css">
  <link rel="stylesheet" href="./src/css/reset.css">
  <link rel="stylesheet" href="./src//css/components.css">
</head>
<body>
  <header id="header"></header>
  <main id="main">
    <section id="origin">
      <div class="canvas-div">
        <canvas id="originCanvas" width="640" height="360"></canvas>
      </div>
    </section>
    <section id="processed">
      <div class="canvas-div">
        <canvas id="processCanvas" width="640" height="360"></canvas>
      </div>
    </section>
  </main>
</body>
<script type="module" src="./src/js/index.js"></script>
</html>