M.com Global Nav.

SassMeister-input.scss

// ----
// Sass (v3.3.9)
// Compass (v1.0.0.alpha.20)
// ----

$navHeaderBG: #fff;
$navBG: #00305e;
$navIconColor: #DD760C;
$navLinkArrowColor: #99acbf;
$navLinkArrowHoverColor: $navBG;
$subMenuBG: #fff;
$subMenuIconHoverColor: $navIconColor;
$subMenuHoverBG: $navBG;
$subMenuHoverLink: $navHeaderBG;
$navLinkTop: $navHeaderBG;
$navLinkBase: $navBG;
$navLinkIconHoverColor: $navLinkBase;
$navPipeLighterPercentage: 10%;
$navPipeDarkerPercentage: 10%;
$menuWidth: 51em;

$logoURL: 'manheim-global-sprite.png';
$logoHeight: 56px;
$logoWidth: 210px;
$maxPageWidth: 972px;
$breakPointMedium: 39em;
$breakPointLarge: 41em;
$breakPointXLarge: 60em;

$navBGDarker:darken($navBG, $navPipeDarkerPercentage);
$navBGLighter:lighten($navBG, $navPipeLighterPercentage);

nav.nav-main {
  background: $navBG;
  padding-right: 1em;
  display: table;
  width: 100%;
  // Top Level Menu Links
  > ul {
    border: 1px solid $navBG;
    border-bottom: 0;
    display: table-cell;
    width: $menuWidth;
  }
}

.nav-main-item {
  padding: 0;
  margin: 0;
  position: relative;
  z-index: 9999;
  display: inline-block;
  a {
    display: block;
  }
  & > a {
    font-family:"Arial Narrow", Arial, Helvetica, sans-serif;
    font-weight: bold;
    font-size: 16px;
    font-size: 1rem;
    position: relative;
    color: $navLinkTop;
    text-transform: uppercase;
    padding: 1.25em;
    display: inline-block;
  }
  & > a:hover {
    text-decoration: none;
  }
  & > a:before {
    content: '.';
    text-indent: -99999em;
    color: transparent;
    height: 2.5em;
    position: absolute;
    right: 0;
    top: 0.5em;
    margin-right: -2px;
    display: inline-block;
    border-left: 1px solid $navBGDarker;
    border-right: 1px solid $navBGLighter;
  }
  & > a:after {
    content: '';
    position:absolute;
    bottom: 0.75em;
    left: 46%;
    display: inline-block;
    height: 0;
    width: 0;
    border-style: solid;
    border-color: transparent;
    *vertical-align: middle;
    border-width: 5px 4px 0;
    border-top-color: $navLinkArrowColor;
  }
  .no-touch &:hover,
  &.active {
    background: $subMenuBG;
  }
  .no-touch &:hover a,
  &.active a {
    background: $subMenuBG;
    color: $navLinkBase;
    text-decoration: none;
  }
  .no-touch &:hover a:before,
  &.active a:before {
    display: none;
  }
  .no-touch &:hover a:after,
  &.active a:after {
    border-top-color: $navLinkArrowHoverColor;
  }
  .no-touch &:hover ul,
  &.active ul {
    display:block;
  }
  ul {
    position: absolute;
    z-index: 9990;
    left: -1px;
    background: $subMenuBG;
    border: 1px solid $navBG;
    border-top: 0;
    padding: 1em 0;
    min-width: 14em;
    li {
      line-height: 2;
      font-size: 12px;
      font-size: 0.75rem;
      a {
        padding: 0 2em;
        &:hover {
          background: $subMenuHoverBG;
          color: $subMenuHoverLink;
          i.icon-dotted-arrow,
          i.icon-dotted-arrow:before,
          i.icon-dotted-arrow:after {
            background: $subMenuIconHoverColor;
          }
        }
      }
    }
    li a {
      font-weight: bold;
      padding: 0 1em;
    }
  }
}
.nav-utility {
  ul {
    display: inline-block;
    li {
      display: inline-block;
      margin-left: 0.5em;
      a {
        font-size: 11px;
        font-size: 0.7rem;
        &:hover {
          text-decoration: underline;
        }
      }
    }
  }
  [class^="icon-icom"] {
    color: $navIconColor;
    margin-right: 0.25em;
  }
}

SassMeister-output.css

nav.nav-main {
  background: #00305e;
  padding-right: 1em;
  display: table;
  width: 100%;
}
nav.nav-main > ul {
  border: 1px solid #00305e;
  border-bottom: 0;
  display: table-cell;
  width: 51em;
}

.nav-main-item {
  padding: 0;
  margin: 0;
  position: relative;
  z-index: 9999;
  display: inline-block;
}
.nav-main-item a {
  display: block;
}
.nav-main-item > a {
  font-family: "Arial Narrow", Arial, Helvetica, sans-serif;
  font-weight: bold;
  font-size: 16px;
  font-size: 1rem;
  position: relative;
  color: white;
  text-transform: uppercase;
  padding: 1.25em;
  display: inline-block;
}
.nav-main-item > a:hover {
  text-decoration: none;
}
.nav-main-item > a:before {
  content: '.';
  text-indent: -99999em;
  color: transparent;
  height: 2.5em;
  position: absolute;
  right: 0;
  top: 0.5em;
  margin-right: -2px;
  display: inline-block;
  border-left: 1px solid #00162b;
  border-right: 1px solid #004a91;
}
.nav-main-item > a:after {
  content: '';
  position: absolute;
  bottom: 0.75em;
  left: 46%;
  display: inline-block;
  height: 0;
  width: 0;
  border-style: solid;
  border-color: transparent;
  *vertical-align: middle;
  border-width: 5px 4px 0;
  border-top-color: #99acbf;
}
.no-touch .nav-main-item:hover, .nav-main-item.active {
  background: white;
}
.no-touch .nav-main-item:hover a, .nav-main-item.active a {
  background: white;
  color: #00305e;
  text-decoration: none;
}
.no-touch .nav-main-item:hover a:before, .nav-main-item.active a:before {
  display: none;
}
.no-touch .nav-main-item:hover a:after, .nav-main-item.active a:after {
  border-top-color: #00305e;
}
.no-touch .nav-main-item:hover ul, .nav-main-item.active ul {
  display: block;
}
.nav-main-item ul {
  position: absolute;
  z-index: 9990;
  left: -1px;
  background: white;
  border: 1px solid #00305e;
  border-top: 0;
  padding: 1em 0;
  min-width: 14em;
}
.nav-main-item ul li {
  line-height: 2;
  font-size: 12px;
  font-size: 0.75rem;
}
.nav-main-item ul li a {
  padding: 0 2em;
}
.nav-main-item ul li a:hover {
  background: #00305e;
  color: white;
}
.nav-main-item ul li a:hover i.icon-dotted-arrow,
.nav-main-item ul li a:hover i.icon-dotted-arrow:before,
.nav-main-item ul li a:hover i.icon-dotted-arrow:after {
  background: #dd760c;
}
.nav-main-item ul li a {
  font-weight: bold;
  padding: 0 1em;
}

.nav-utility ul {
  display: inline-block;
}
.nav-utility ul li {
  display: inline-block;
  margin-left: 0.5em;
}
.nav-utility ul li a {
  font-size: 11px;
  font-size: 0.7rem;
}
.nav-utility ul li a:hover {
  text-decoration: underline;
}
.nav-utility [class^="icon-icom"] {
  color: #dd760c;
  margin-right: 0.25em;
}