">
                <div id="margin-effect" class="effect" onmouseover="showMargin()">
                    <div id="margins" class="property margins">Hover over me to see the effects of <code class="language-css">margins</code></div>
                </div>
            </div>
        </div>
        <h3 class="how-to-use-margins">
            How to USE Margin
        </h3>
        <p>
            CSS has properties for specifying the margin for each side of an element:<br>
            <code class="language-cs