ColorGame.html

<!DOCTYPE html>
<html>
    <head>
        <title>Brain Test Color Game</title>
        <link rel="stylesheet" type="text/css" href="ColorGame.css">
        <link href='https://fonts.googleapis.com/css?family=Poppins' rel='stylesheet'>
       
    </head>
    <body>
        <div id="header"><h1> THE Brain Test 
            <br><span id="colordisplay">RGB</span><br> Color Game </h1></div>

        <div id="strip">
            <button id="reset">New Colors</button>
            <span id="messagedisplay"></span>
            <button class="mode selected">Easy</button>
            <button class="mode selected">Hard</button></div>
        <div id="container">
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
        </div>
     <script src="ColorGame.js" type="text/javascript"></script>
    </body>
</html>