@media (min-width: $screen-sm-min) {

  .main-nav-container {
    &.nav-collapse,
    .menu-collapse {
      max-height: 0;
      overflow: hidden;
    }
    &.nav-expand,
    .menu-expand {
      max-height: 100%;
      overflow: visible;
    }
  }

  .header-row.second-row,
  .main-nav-container {
    position: relative;
  }

  .nav-wrapper {
    position: absolute;
    top: 100%;
    left: 25%;
    background-color: $header-background;
    z-index: $zindex-header-flyout;
  }

  #navContainer {
    .navigation-menu-item > a.menu-item {
      display: none;
    }

    .nav-item-hover-js .nav-item {
      a {
        color: $header-background;
      }
    }
  }
  
  #navContainer .nav-item {
    display: block;
    min-width: 100%;

    &.submenu-title,
    &.back-link {
      display: none;
    }

    a {
      color: $white;
      display: inline-block;
      width: 100%;
      padding: 12px;
      box-sizing: border-box;
      border-bottom: 1px solid $gray;
      line-height: 1.5em;

      .arrow-right {
        left: 0;
        top: 3px;
        border: solid $white;
        border-width: 0 2px 2px 0;
        margin-left: 2em;
      }
    }

    &:hover > a,  & > a:focus  {
      color: $header-background;
      background-color: $gray-medium;
      text-shadow: 1px 0 0 $header-background;
      .arrow-right {
        border: solid $header-background;
        border-width: 0 2px 2px 0;
      }
    }

    #navContainer #mainNavMenu > .nav-item {
      &:hover > a {
        text-shadow: none;
      }
    }

    .has-submenu:hover .header-nav-menu {
      left: 100%;
      margin: 0;
      background: $gray-medium;
      max-height: 75vh;
      overflow-y: scroll;

      a {
        color: $header-background;
      }
    }
  }

  .header-nav-menu {
    .header-nav-menu {
      min-width: 100%;
      width: auto;
      white-space: nowrap;
      min-height: 100%;
      max-height: 0;
      margin-left: 20%;
      position: absolute;
      left: -999em;
      top: 0;
      -webkit-transition: all 0.5s linear;
      transition: all 0s ease;
      overflow-y: hidden;
      
      &.nav-item-hover-js {
        left: 100%;
        margin: 0;
        background: $gray-medium;
        max-height: 75vh;
        overflow-y: scroll;
      }
    }
  }

}