mainmenu.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>TTC</title>
    <link rel="shortcut icon" href="tic-tac-toe.png" type="image/x-icon"> <!--Adding favicon-->

    <link
      rel="stylesheet"
      href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css"
      integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2"
      crossorigin="anonymous"
    />
     <!--Adding Favicon-->
     <link rel="shortcut icon" href="favicon.png" type="image/x-icon">

    <link rel="stylesheet" href="main.css" type="text/css" />
    <!-- Global site tag (gtag.js) - Google Analytics -->
    <script
      async
      src="https://www.googletagmanager.com/gtag/js?id=UA-113861388-2"
    ></script>
    <script>
      window.dataLayer = window.dataLayer || [];
      function gtag() {
        dataLayer.push(arguments);
      }
      gtag("js", new Date());

      gtag("config", "UA-113861388-2");
    </script>
        <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons"> <!--To use Google Icons-->

  </head>
  <body>

    <header>

        <div class="right">
            <!--Menu-->
            <div class="pagination">
                <a class="active" href="#">Play Game</a>
                <a href="about.html">About</a>
                <a href="contributors.html">Contributors</a>
                <button class="btn btn-info" onclick="myFunction()">Dark mode</button>
                <button class="btn btn-primary" onclick="playAudio(this)" type="button">Play Music</button>
            </div>
        </div>
        <!--Our website's name-->
        <h1>Tic Tac Toe</h1>

         
    </header>
    <div class="wrapper bg-white">
        
      <div class="h4 text-muted text-center pt-2 ">Menu</div>
      <br>

      
      <div class="center">
              <a href="index.html"><button class="button" type="button "><h2>Easy</h2></button></a><br>
              <a href="index.html"><button class="button" type="button"><h2>Medium</h2></button></a><br>
              <a href="index.html"><button class="button" type="button"><h2>Hard</h2></button></a><br>
      </div>
        
    </div> 


    <audio id="myAudio">
      <source src="music.mp3" type="audio/ogg">
    </audio>
    
    <script>
      var x = document.getElementById("myAudio"); 
      
      function playAudio(btn) { 
//         x.play(); 
           return x.paused ? x.play() : x.pause();
           if(x.paused) {
             x.play();
             btn.innerHtml("Pause Music");
           }
           else {
             x.pause();
             btn.innerHtml("Play Music");
           }
      } 
    </script>


      <!-- <button onclick="myFunction()">Toggle dark mode</button> -->

    <script>
        function myFunction() {
        var element = document.body;
        element.classList.toggle("dark-mode");
        }
    </script>
      
    
    <script src="https://connect.facebook.net/en_US/fbinstant.6.3.js"></script>
    <script src="app.js"></script>

    
  </body>
</html>