</div></div></div></div><div class="qm-api-collapsible-content"><div class="qm-api-item-content"><div class="qm-api-description"><div class="qm-html-paragraph">An alternative to the titlebar linkbar. Pages that use the sidebar should not use the hx-titlebar-linkbar titlebar section. Buttons, collapsibles and links all have extra styling defined for sidebars. The sidebar div should be placed between the hx-heading element and the hx-content element. </div></div><div class="qm-api-group qm-api-class-group"><d