.nav.light{background-color:#f1f1f1;border:1px solid black}.nav.dark{background-color:#080808;color:#fff;border:1px solid white}.nav{display:flex;justify-content:space-between;padding:20px;margin:auto;align-items:center;border-radius:25px}.card{padding:20px;margin-top:15px;display:flex;justify-content:center;align-items:center;height:100vh;border-radius:25px}.card.light{background-color:#f1f1f1;color:#000;border:1px solid black}.card.dark{background-color:#000;color:#fff;border:1px solid white}