html,body{height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.welcome{height:100vh;display:flex;align-items:center;justify-content:center;background:#fff}img{width:100vw;height:100vh;object-fit:contain}.welcome h1{margin:0;font-size:48px}