header {

@include outer-container;
@include padding(1em null 1em null);
border-bottom: $base-border;

.navigation-wrapper {
  @include span-columns(12);
}

h1 {
  @include margin(0 null .3em null);
}

ul {
  text-align: center;

  li {
    @include margin(0 1em);
    display: inline-block;
  }
}

}