body{margin:0;font-family:Arial,sans-serif;background:#F7F8F2;color:#333}
header{background:#6B8E23;color:#fff;padding:18px}
nav a{color:#fff;text-decoration:none;margin-right:18px}
main{max-width:900px;margin:40px auto;padding:0 20px}
footer{background:#4E6820;color:#fff;text-align:center;padding:18px;margin-top:40px}
h1{color:#556B2F}