#messageReactionIconContainer{margin-bottom:1.5px}#messageReactionIcon{display:none;color:#999;z-index:10;background-color:inherit}#messageReactionIconContainer:hover #messageReactionIcon{background-color:inherit;display:block}.my-menu{border:2px solid green}.my-menuitem{color:#00f;background-color:#ff0}.my-menuitem-hover{color:#ff0;background-color:#000}