.site-header {
  background: #2a7ae2;
  border: none;
}
.site-title, .site-title:visited,
.site-nav .page-link {
  color: #fff;
  text-decoration: none;
}

.site-nav .page-link { 
  border-bottom: 3px solid transparent;
  padding: 0 0 0.3em;
}
.site-nav .page-link:hover { border-bottom-color: #fff; }