index.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>Juego de la Vida</title>
    <link rel="stylesheet" href="style.css">
  </head>
  <body>
    <div id="container"></div>
    <div id="buttons">
      <button onclick="startGame()">Iniciar</button>
      <button onclick="stopGame()">Detener</button>
      <button onclick="clearGame()">Limpiar</button>
      <select id="patterns" onchange="selectPattern()">
        <option value="">Seleccione un patrón</option>
        <option value="block">Bloque</option>
        <option value="beehive">Panal</option>
        <option value="blinker">Destellador</option>
        <option value="toad">Sapo</option>
        <option value="glider">Glider</option>
        <option value="lwss">Sonda espacial ligera</option>
      </select>
    </div>
    <script src="script.js"></script>
  </body>
</html>