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<!DOCTYPE html>
<html>
    <head>
        <title>Magic!</title>
        <link rel="stylesheet" type="text/css" href="stylesheet.css"/>
        <script type="text/javascript" src="script.js"></script>
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    </head>
    <body>
        <div id="red"></div>
        <div id="blue"></div>
        <div id="yellow"></div>
        <div id="green"></div>
    </body>
</html>