.usa-navbar {

@include border-box-sizing;
height: units($size-touch-target);

@include at-media-max($theme-header-min-width) {
  @include u-flex("align-center");
  border-bottom: units(1px) solid color("base-lighter");
  display: flex;
}

@include at-media($theme-header-min-width) {
  border-bottom: none;
  display: inline-block;
  height: auto;
}

}