body{font-family:Arial;margin:0;}
header{background:#0a2540;color:#fff;padding:15px;}
nav a{color:#fff;margin:10px;}
.hero{padding:80px;text-align:center;background:#eee;}
.card{background:#fff;padding:20px;margin:20px;}
.cta{background:orange;padding:30px;text-align:center;}