@-moz-document domain('trello.com') {
    textarea,
    input,
    .list-card-title,
    .list-title,
    .window-title-text,
    .action-comment,
    .card-detail-desc,
    .card-detail-item-block {
        direction:rtl;
    }
    .check_item_text  {
        direction:rtl;
        text-align:left;
    }
    .window-header {
        text-align:right;
    }
}