body.wp-admin {
  background-color: #1bcfef;
} 
body.wp-admin #adminmenu,
body.wp-admin #adminmenu .wp-submenu,
body.wp-admin #adminmenu a.wp-has-current-submenu::after,
body.wp-admin #adminmenu>li.current>a.current::after {
#84f4d1  background-color: ;
}