body { margin:0; font-family: Arial; }
header { background:#b40000; color:white; padding:15px; display:flex; justify-content:space-between; }
nav a { color:white; margin-left:15px; text-decoration:none; }
.hero { height:70vh; background:url('https://images.unsplash.com/photo-1513104890138-7c749659a591') center/cover;
        display:flex; flex-direction:column; justify-content:center; align-items:center; color:white; }
.cta { background:#0a8f08; padding:15px 30px; color:white; text-decoration:none; }