-css-header-name qm-api-header-details qm-code-font" id="hx-background-warning">hx-background-warning</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">Applies the warning color to the background of the element. The text color will also be set so that it works well with the background color. </div></div><div class="qm-api-group qm-api-class-group"><div c