src/settings.html

<!DOCTYPE html>
<html>

  <head>
    <title>Settings</title>
    <link rel="stylesheet" href="style.css" type="text/css">

    <script src="settings.js"></script>

  </head>

  <body>
    <div class="container">
      <div style="text-align:center">
        <p class="option">Resolution : </p>
        <button onclick="resDown()" class="iterate">
          <</button>
            <p class="option"></p>
            <button onclick="resUp()" class="iterate">></button>
      </div>

      <div style="text-align:center">
        <p class="option">Difficulty : </p>
        <button onclick="diffDown()" class="iterate">
          <</button>
            <p class="option"></p>
            <button onclick="diffUp()" class="iterate">></button>
      </div>

      <button onclick="location = 'menu.html'">Return Menu</button>

    </div>

  </body>

</html>