bio_buttons.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="style.css">
    <title>BioButtons</title>
    <script src="behavior.js"></script>
</head>
<body>
    <div class="wrapper">
        <a id="test" onclick="thanks()" href="https://docs.google.com/document/d/1pBeRkaJc4fE5OSYKyLdduQA6tay5x0ucZRMZoBNrDf4/edit?usp=sharing" target="_blank" class="btn">Unit 1</a>
        <a href="https://docs.google.com/document/d/1oQQoKUbtTQhhnrdN7pFAcExv_EKD7UO3yT2WoZXBZjE/edit?usp=sharing" target="_blank" class="btn">Unit 2</a>
        <a href="https://docs.google.com/document/d/1lm52ECsJoGxE6Y0WeWvLX1poPBCEv9o5nwDYqkOM6tA/edit?usp=sharing" target="_blank" class="btn">Unit 4</a>
    </div>
</body>
</html>