@media (orientation: landscape) {
  html[onsflag-iphonex-landscape] .tabbar {
    padding-left: var(--iphonex-safe-area-inset-left-landscape);
    padding-right: var(--iphonex-safe-area-inset-right-landscape);
    width: calc(100% - var(--iphonex-safe-area-inset-left-landscape) - var(--iphonex-safe-area-inset-right-landscape));
  }
}