<!DOCTYPE html>
<html>
    <head>
        <title>CSS Reference File</title>
        <link rel="author" title="Rebecca Hauck" href="mailto:rhauck@adobe.com">
    </head>
    <style>
    body {
        margin: 0;
    }
    .line {
        position: absolute;
        top: 60px;
        width: 2px;
        height: 200px;
        border-left: 2px solid blue;
    }
    .right {
        left: 220px;
    }
    .left {
        left: 60px;
    }
    .top {
        top: 90px;
        left: 180px;
    }
    .bottom {
        top: 170px;
        left: 60px;
    }
    .square {
        position: absolute;
        width: 40px;
        height: 40px;
        background-color: green;
    }
    </style>
    <body>
    <p>The test passes if there there are two green squares between the blue lines. There should be no red.</p>
    <div class="bottom square"></div>
    <div class="top square"></div>
    <div class="left line"></div>
    <div class="right line"></div>
    </body>
</html>