.vnav {
  list-style: none;
  padding: 0;
  margin: 0;
}
.vnav__item {
  position: relative;
}
.vnav__item:hover {
  background: #ccc;
}
.vnav__item:hover > .vnav__subnav {
  display: block;
}
.vnav__link {
  display: block;
  padding: 10px 25px;
  color: #666;
  text-decoration: none;
  text-align: center;
}
.vnav__link--active {
  background: #ccc;
}
.vnav__subnav {
  display: none;
  background: #ddd;
  position: absolute;
  z-index: 1;
}
.vnav__subnav .vnav__item {
  display: block;
}
.vnav__subnav .vnav__link {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  color: #666;
  white-space: nowrap;
}
.vnav--level1 {
  position: relative;
  display: inline-table;
}
.vnav--level1 > .vnav__item {
  display: inline-block;
  vertical-align: middle;
  *vertical-align: auto;
  *zoom: 1;
  *display: inline;
}
.vnav--horizontal .vnav__subnav {
  left: 0;
  top: 100%;
}
.vnav--horizontal .vnav--level3,
.vnav--horizontal .vnav--level4 {
  left: 100%;
  top: 0;
}
.vnav--vertical .vnav__item {
  display: block;
}
.vnav--vertical .vnav__subnav {
  left: 100%;
  top: 0px;
}