       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>