nav ul{display:flex;flex-wrap:wrap;justify-content:center;list-style-type:none;margin:0;padding:0}nav ul li{display:inline;margin-right:10px}nav a{text-decoration:none;color:#000;font-weight:700}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}