<!DOCTYPE html>
<html>
<head>
    <title>js-countdown</title>
    
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <!--[ begin placeholder styles ]-->
    <link rel="stylesheet" href="style.css">
    <link href='http://fonts.googleapis.com/css?family=Lato:300' rel='stylesheet' type='text/css'>
    <!--[ end placeholder styles ]-->
    
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    <script src="countdown.js"></script>
</head>
<body>
    <div id="countdown">
        <h1 id="timer"></h1>
        <h2 id="date"></h2>
    </div>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
    <title>js-countdown</title>
    
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <!--[ begin placeholder styles ]-->
    <link rel="stylesheet" href="style.css">
    <link href="http://fonts.googleapis.com/css?family=Lato:300" rel="stylesheet" type="text/css">
    <!--[ end placeholder styles ]-->
    
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    <script src="countdown.js"></script>
</head>
<body>
    <div id="countdown">
        <h1 id="timer"></h1>
        <h2 id="date"></h2>
    </div>
</body>
</html>

Use double quotes in HTML
Use double quotes in HTML
