.nav_menu_container {
  position: relative;
  box-sizing: border-box;
  z-index: 999;
  border-bottom: 1px solid #ddd;
}
.nav_menu {
  list-style:none;
  padding:0;
  position:relative; /* For IE7 */
  margin: 0 0 -1px 0;
  line-height:1;
}
.nav_menu > li {
  float:left;
  margin:0;
  border-right: 1px solid #ddd;
  line-height:10px;
}
.nav_menu > li > a {
  font-size:12px;
  outline:0;
  text-decoration:none;
  display:block;
  padding: 4px 12px 9px;
  border: 1px solid rgba(0, 0, 0, 0);
  margin: -1px;
  margin-bottom: 0;
  z-index: 1;
  position: relative;
  transition-property: background,border;
  transition-duration: 0.5s;
  transition-timing-function: ease;
  transition-delay: 0.25s;
}
.nav_menu > li > a > h4 {
  font-size:16px;
  margin-bottom: 0;
  letter-spacing:0;
}
.nav_menu > li > a > small {
  margin:0;
  padding:0;
}
.nav_menu_drop {
  padding-right:30px;
}
.nav_menu > li:first-child > a {
  border-top-left-radius: 9px;
}
.nav_menu > li:last-child > a {
  border-top-right-radius: 9px;
}
.nav_menu li.nav_menu_button {
  display: none;
  -webkit-transition: none;
  -moz-transition: none;
  -o-transition: none;
  -ms-transition: none;
  transition: none;
}

/* Right aligned menu item */
.nav_menu li.nav_menu_right {
  float:right;
  border-right: 0;
  border-left: 1px solid #ddd;
}
.nav_menu a.iris_logo, .nav_menu li:hover > a.iris_logo {
  background-image: url(//ds.iris.edu/static/img/layout/logos/header-logo.png);
  width: 65px;
  height: 52px;
  background-size: contain;
}
.nav_menu li:hover > a.iris_logo {
  box-shadow: inset 0 0 20px hsl(268, 50%, 20%);
  border-color: hsl(268, 50%, 10%);
}

/*  _______________________________________________

    02 MEGA MENU CONTAINERS
    _______________________________________________  */

.nav_menu_dropdown_container {
  position: absolute;
  margin: 0;
  padding: 0;
  left: -1px;
  right: -1px;
  z-index: 0;
  overflow-y: hidden;
  overflow-x: visible;
}
.nav_menu_dropdown {
  padding: 8px 0 12px;
  border-radius: 0 0 9px 9px;
  transition: margin 0.5s 0.25s ease;
  border: 1px solid #ccc;
  background-color: #f0f0f0;
  background-image: linear-gradient(to bottom, #f0f0f0, #fff);
  margin: -500px 0 12px 0;
  border-top-width: 0;
  box-shadow: 0 7px 7px -3px rgba(0, 0, 0, 0.15);
}
.nav_menu_dropdown h1,
.nav_menu_dropdown h2,
.nav_menu_dropdown h3,
.nav_menu_dropdown h4,
.nav_menu_dropdown p,
.nav_menu_dropdown ul > li {
  line-height:17px;
}
.nav_menu_dropdown ul {
  list-style: none;
  padding-left: 0;
}
.nav_menu_dropdown ul > li {
  margin:4px 0;
}
.nav_menu_dropdown h3 {
  margin: 0 0 8px;
}
.nav_menu_dropdown h4 {
  font-size: 14px;
  margin: 4px -4px 0 -4px;
  padding: 2px 4px 4px 4px;
  color: #666;
  background: #ccc;
}
.nav_menu_dropdown h5 {
  margin: 4px 0 8px 0;
  font-size: 14px;
}
.nav_menu_dropdown img.block-left {
    float:left;width:90px;margin:10px 0 0 0;
}
.nav_menu_dropdown div.block-right {
    margin-left:100px;
}
.nav_menu_dropdown div.block-bottom {
    margin-bottom:100px;
}
/* Showing Drop Down on Mouse Hover */
.nav_menu > li:hover > a {
  background: #f0f0f0;
  border-color: #ccc;
  border-bottom-color: #f0f0f0;
}
.nav_menu > li:hover .nav_menu_dropdown {
  margin-top: -1px;
}
.breadcrumb {
  border-top-width: 0;
}