.header,
.site-header {
  background: #252936;
  border-bottom: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 10px 26px rgba(10, 14, 25, .18);
}

.header nav a,
.site-header nav a { transition: color .2s ease, opacity .2s ease; }
.header nav a:hover,
.site-header nav a:hover { color: #ffe600; opacity: 1; }
.search { color: #ffe600; }
.contact-link { border-color: rgba(255,255,255,.36); }
.contact-link:hover { background: #ffe600; border-color: #ffe600; color: #171717; }