 <xf:group class="fr-component-group">
                                <xf:group ref=".[not(is-readonly = 'true' and property('xxf:readonly-appearance') = 'static')]">
                                    <xf:input ref="month" class="fr-width-2" xbl:attr="navindex navindex=tabindex"></xf:input>
                                    <xf:input ref="day" class="fr-width-2"></xf:input>
                                    <xf:input ref="year" class="fr-width-4"></xf:input>
                                </xf:group