#adminmenu #toplevel_page_expresscurate div.wp-menu-image:before {
  content: "";
}
.wp-not-current-submenu#toplevel_page_expresscurate div.wp-menu-image{
  content: "";
  background: url("../images/adminFlatInactive.png") no-repeat scroll center rgba(0, 0, 0, 0) !important;
}

.wp-not-current-submenu#toplevel_page_expresscurate:hover div.wp-menu-image {
  background: url("../images/adminFlatHover.png") no-repeat scroll center rgba(0, 0, 0, 0) !important;
}

.wp-menu-open#toplevel_page_expresscurate div.wp-menu-image{
  content: "";
  background: url("../images/adminFlat.png") no-repeat scroll center rgba(0, 0, 0, 0) !important;
}