Footer.tsx

export default function Header() {
  return (
    <header className="w-full border-b bg-white">
      <div className="mx-auto max-w-6xl px-6 py-4 flex items-center justify-between">
        <span className="text-sm text-gray-500">
          Next.js · D3 · SVG
        </span>

        <span className="text-sm text-gray-500">
          Tristan Cherrier / Antonin Huser
        </span>
      </div>
    </header>
  );
}