             <div><span class="pill surf-s">.container-700</span> sets max-width 700px, centered with auto margins</div>
                        <div><span class="pill surf-s">.container-600</span> sets max-width 600px, centered with auto margins</div>
                    </div>
                </section>


                <!-- Dark/Light Theme -->
                <section>
                    <h2>Built-in Dark & Light Themes</h2>
                    <div>
                        OmniCSS supports automatic 