Скрытая позиция модуля - Joomla 3.x: Общие вопросы

.none {
 display: none;
}

.mydiv .none {
 display: none;
}

<jdoc:include type="modules" name="popupWindows" style="none" />

<div id="loginModal" class="modal fade" tabindex="-1" role="dialog" aria-labelledby="loginFormModal" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered" role="document">
        <div class="modal-content">
            <div class="modal-header"><button class="close" type="button" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button></div>
            <div class="modal-body">{loadmoduleid 166}</div>
        </div>
    </div>
</div>

<button class="btn btn-link loginBtn" role="button" type="button" data-toggle="modal" data-target="#loginModal"><i class="fa fa-user pr-2" aria-hidden="true"></i>Личный кабинет</button>