body{font-family:Georgia,serif;margin:0;background:#f6f1e7;color:#2b2118}header{background:#3b2a1a;padding:.6rem 1rem}nav a{color:#f6f1e7;margin-right:1rem;text-decoration:none}nav button{float:right}main{max-width:52rem;margin:2rem auto;padding:0 1rem}.btn{background:#7a1f1f;color:#fff;padding:.5rem 1rem;text-decoration:none;border-radius:4px}.notice{background:#fff3c4;padding:1rem;border-left:4px solid #c9a227}footer{text-align:center;padding:2rem;color:#7a6a58}