>
                    <h2 class="Heading size3 bp2-size4 lh-4 bp2-lh-5">Markup structure</h2>
                </div>
                <div class="mb-3">
                    <p class="Text size4 lh-5 bp1-lh-6">It's not currently possible to directly
                      style a checkbox in modern browsers, so we use this simple hack. We use a
                      <code class="Code">&lt;input type="checkbox"&gt;</code> element to
                      provide the necessary functionality but hide it with CSS.