eader qm-api-item-header-class"><span class="qm-api-css-header-name qm-api-header-details qm-code-font" id="hx-error-message">hx-error-message</span><span class="qm-api-header-tags"></span></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">The class to give to the error message container. This container will be moved to the exact centre of the page. </div></div><div class="qm-api-group qm-api-class-g