game.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <link rel="stylesheet" href="game.css?SCversion=2.0.10" />
    <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>Javascript Memory Game</title>
  </head>
  <body>
    <main>
      <button data-turnable="true" data-number="0" id="1">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="2">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="3">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="4">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="5">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="6">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="7">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="8">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="9">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="10">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="11">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="12">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="13">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="14">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="15">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <button data-turnable="true" data-number="0" id="16">
        <img src="resources/card_back.jpg" alt="card back" />
      </button>
      <div class="win-container">
        You win!
        <button class="play-again" onclick="reset()">Play Again</button>
      </div>
    </main>
  </body>
  <script src="game.js?SCversion=2.0.10"></script>
</html>