body,h1,h2,h3,p{margin:0;padding:0}body{background-image:url(/images/space-background.jpg);background-size:cover;background-repeat:no-repeat;background-attachment:fixed}.container{display:flex;justify-content:center;align-items:center;height:100vh}.header{text-align:center;padding:2rem}.header h1{font-size:3rem;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.navbar{display:flex;justify-content:space-between;align-items:center;background-color:#000c;padding:1rem 2rem}.navbar a{color:#fff;text-decoration:none;margin:0 1rem;font-size:1.2rem}.button{display:inline-block;padding:.5rem 1rem;background-color:#007bff;color:#fff;border:none;cursor:pointer;font-size:1rem}.button:hover{background-color:#0056b3}.card{background-color:#ffffffe6;border-radius:8px;padding:2rem;box-shadow:0 2px 4px #0000001a;text-align:center;color:#333}.card h2{font-size:2rem;margin-bottom:1rem}.card p{font-size:1.2rem}.footer{text-align:center;background-color:#000c;color:#fff;padding:1rem;position:absolute;bottom:0;width:100%}