How to hide the controls of HTMLEditor?

Question

is it possible to hide the controls of a HTMLEditor above the actual text? (Alignment, Copy&Paste icons, stylings etc.)

Thanks for any help

Answer 1

.tool-bar
{
    /*-fx-visibility:hidden;
     -fx-display:none; */

    -fx-opacity: 0;
}

opacity works, but the menu stays active.