Untitled

<!DOCTYPE html>
<html>
    <head>
        <title>X movement left-only</title>
    </head>
    <p> Use R Key to move the Red Box and B Key to move Blue box.</p>
    <body>
        <!-- Put your page markup here -->
        <div class="box" id="blue"></div>
        <div class="box" id="red"></div>

    </body>
</html>