.site-header-inner{
  border-color: rgba(15,23,42,.06);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.82),
    0 1px 2px rgba(15,23,42,.025),
    0 6px 14px -4px rgba(15,23,42,.04),
    0 18px 34px -14px rgba(15,23,42,.055),
    0 32px 68px -30px rgba(15,23,42,.075);
}

.dark .site-header-inner{
  border-color: rgba(255,255,255,.08);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.045),
    0 1px 3px rgba(2,6,23,.24),
    0 8px 18px -6px rgba(2,6,23,.28),
    0 20px 40px -16px rgba(2,6,23,.34),
    0 34px 72px -30px rgba(2,6,23,.28);
}