body{margin:0;font-family:Arial;}
header{background:#061b33;color:white;padding:15px;}
.container{width:90%;margin:auto;}
.hero{background:url('images/slide1.jpg');background-size:cover;color:white;padding:120px 20px;}
.card{background:white;padding:20px;margin:20px 0;border-radius:10px;}
nav a{color:white;margin-right:10px;}