a.menu-1520, ul.links li.menu-1520 a {
  background-image: url(/sites/default/files/styles/menu_icon/public/menu_icons/menu_icon_1520.png);
  padding-left:45px;
  background-repeat: no-repeat;
  background-position: left;
  height: 44px;
}

a.menu-1521, ul.links li.menu-1521 a {
  background-image: url(/sites/default/files/styles/menu_icon/public/menu_icons/menu_icon_1521.png);
  padding-left:45px;
  background-repeat: no-repeat;
  background-position: left;
  height: 44px;
}

a.menu-1522, ul.links li.menu-1522 a {
  background-image: url(/sites/default/files/styles/menu_icon/public/menu_icons/menu_icon_1522.png);
  padding-left:45px;
  background-repeat: no-repeat;
  background-position: left;
  height: 44px;
}