#page {
  z-index: 0;
}

div#main div#content {
}
#logo { 
  z-index: 20;
}
nav#main-menu {
}
nav#main-menu ul {
  z-index: 40; /* greater than or equal to logo */
}
#block-menu-block-2,
#block-system-main-menu,
#block-menu-block-nrl-main-menu-minipanels-nav,
#block-menu-block-nrl-main-menu-navigation {
  z-index: 40; /* greater than or equal to logo */
}
#block-menu-block-2 ul.menu,
#block-system-main-menu ul.menu,
#block-menu-block-nrl-main-menu-minipanels-nav ul.menu,
#block-menu-block-nrl-main-menu-navigation ul.menu {
  z-index: 40; /* greater than or equal to logo */
}

#block-menu-block-2 ul.menu li:hover a,
#block-system-main-menu ul.menu li:hover a,
#block-menu-block-nrl-main-menu-minipanels-nav ul.menu li:hover a,
#block-menu-block-nrl-main-menu-navigation ul.menu li:hover a {
  z-index: 45;
  position: relative;
}

nav#login,
nav#secondary-menu {
  z-index: 20;
}
div#main nav.breadcrumb {
  z-index: 20; /* greater than or equal to logo */
}