cloudcmd/modules/menu/menu-io.min.css

.menu-hidden{display:none}.menu{position:absolute;z-index:2;padding:0;font-size:14px;list-style:none;color:#222;background:#fff;background:rgba(255,255,255,.9);border-color:#317bf9;border-color:rgba(49,123,249,.4);border-style:solid;border-width:1px;border-radius:5px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-o-user-select:none;user-select:none}.menu-button{background:#fff;border:0}.menu-item{position:relative;padding:3px 20px;white-space:pre}.menu-item::after{content:attr(data-key);float:right}.menu-item:hover{background-color:#e3f2ff}.menu-item>.menu{top:0;left:100%;display:none}.menu-item:hover>.menu{display:block}.menu-submenu>label:after{display:block;float:right;width:0;height:0;margin-top:3px;margin-right:-10px;border-color:transparent;border-left-color:#317bf9;border-style:solid;border-width:5px 0 5px 5px;content:" "}