<div class="relative">
    <header id="accordion_header-nested" class="flex flex_row sticky t_n2 bg_white shadow_overlap-light br_solid br_1 br_black-2 z_2 ">
        <div class="h:bg_primary-5 m_2 c_primary h:c_primary-n2 br_radius">
            <div class="flex_none" aria-expanded="false" data-bs-toggle="collapse" data-bs-target="#content_accordion-parent" aria-controls="#content_accordion-parent">
                    <span class="fa-stack">
                    <i class="fas fa-minus fa-stack-1x"></i>
                    <i class="fas fa-minus rotate_90 a:rotation fa-stack-1x "></i>
                    </span>
            </div>        </div>
        <div class=" font-size_up flex_auto flex flex_row justify_center p-y_2">
            <div class="flex_auto self_center reading-typography no-margins">
               <h3> Accordion Header Level 3</h3>
            </div>
        </div>
    </header>
    <main id="content_accordion-parent" class="bg_black-_05 br-bl_radius br-br_radius m-x_3:md p_3 p_4:md reading-typography shadow_emboss-light tab-content transition_4"  aria-labelledby="accordion_header-nested" >
        <h2>Aenean commodo ligula eget dolor aenean massa</h2>
        <p>Lorem ipsum dolor sit amet, consectetuer adipiscing
        elit. Aenean commodo ligula eget dolor. Aenean massa.
        Cum sociis natoque penatibus et magnis dis parturient
        montes, nascetur ridiculus mus. Donec quam felis,
        ultricies nec, pellentesque eu, pretium quis, sem.</p>
        <div class="relative m-b_2">
            <header id="accordion_header-child" class="flex flex_row sticky t_5 bg_white shadow_bevel-light br_radius br_solid br_1 br_black-2 z_3 ">
                <div class="h:bg_primary-4 m_2 c_primary h:c_primary-n3 br_radius">
                    <div class="flex_none p_2" data-bs-toggle="collapse" data-bs-target="#content_accordion-child" aria-controls="#content_accordion-child" aria-expanded="true">
                            <i class="a:rotation fa-fw fa-times fas self_center text_center"></i>
                    </div>        </div>
                <div class=" flex_auto flex flex_row justify_center p-y_2">
                    <div class="flex_auto self_center reading-typography no-margins">
                        <h4> Nested Accordion Header Level 4</h4>
                    </div>
                </div>
            </header>
            <main id="content_accordion-child" class="bg_black-1 m-t_n2 br_radius p-t_3 p-x_3 p-x_4:md p-b_4 reading-typography tab-content transition_4 shadow_emboss-light"  aria-labelledby="accordion_header-child" >
            <h2>HTML Ipsum Presents</h2>
            <p><strong>Pellentesque habitant morbi tristique</strong> senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. <em>Aenean ultricies mi vitae est.</em> Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. Vestibulum erat wisi, condimentum sed, <code>commodo vitae</code>, ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac dui. <a href="#">Donec non enim</a> in turpis pulvinar facilisis. Ut felis.</p>
            <h2>Header Level 2</h2>
            <ol>
               <li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li>
               <li>Aliquam tincidunt mauris eu risus.</li>
            </ol>
            <blockquote><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus magna. Cras in mi at felis aliquet congue. Ut a est eget ligula molestie gravida. Curabitur massa. Donec eleifend, libero at sagittis mollis, tellus est malesuada tellus, at luctus turpis elit sit amet quam. Vivamus pretium ornare est.</p></blockquote>
            <h3>Header Level 3</h3>
            <ul>
               <li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li>
               <li>Aliquam tincidunt mauris eu risus.</li>
            </ul>    </main>
        </div>        <div class="relative m-b_2">
            <header id="accordion_header-child" class="flex flex_row sticky t_5 bg_white shadow_bevel-light br_radius br_solid br_1 br_black-2 z_3 ">
                <div class="h:bg_primary-4 m_2 c_primary h:c_primary-n3 br_radius">
                    <div class="flex_none p_2" data-bs-toggle="collapse" data-bs-target="#content_accordion-child" aria-controls="#content_accordion-child" aria-expanded="true">
                            <i class="a:rotation fa-fw fa-times fas self_center text_center"></i>
                    </div>        </div>
                <div class=" flex_auto flex flex_row justify_center p-y_2">
                    <div class="flex_auto self_center reading-typography no-margins">
                        <h4> Nested Accordion Header Level 4</h4>
                    </div>
                </div>
            </header>
            <main id="content_accordion-child" class="bg_black-1 m-t_n2 br_radius p-t_3 p-x_3 p-x_4:md p-b_4 reading-typography tab-content transition_4 shadow_emboss-light"  aria-labelledby="accordion_header-child" >
            <h2>HTML Ipsum Presents</h2>
            <p><strong>Pellentesque habitant morbi tristique</strong> senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. <em>Aenean ultricies mi vitae est.</em> Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. Vestibulum erat wisi, condimentum sed, <code>commodo vitae</code>, ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac dui. <a href="#">Donec non enim</a> in turpis pulvinar facilisis. Ut felis.</p>
            <h2>Header Level 2</h2>
            <ol>
               <li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li>
               <li>Aliquam tincidunt mauris eu risus.</li>
            </ol>
            <blockquote><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus magna. Cras in mi at felis aliquet congue. Ut a est eget ligula molestie gravida. Curabitur massa. Donec eleifend, libero at sagittis mollis, tellus est malesuada tellus, at luctus turpis elit sit amet quam. Vivamus pretium ornare est.</p></blockquote>
            <h3>Header Level 3</h3>
            <ul>
               <li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li>
               <li>Aliquam tincidunt mauris eu risus.</li>
            </ul>    </main>
        </div>    </main>
</div>