body{font-family:Arial,sans-serif;color:#000;background:#fff;margin:0}
.skip-link{position:absolute;left:-999px}
.skip-link:focus{left:10px;top:10px;background:#000;color:#fff;padding:5px}
header{background:#003366;color:#fff;padding:1em;text-align:center}
nav{background:#e0e0e0;padding:1em}
nav ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:1em;justify-content:center}
nav a{color:#003366;font-weight:bold;text-decoration:none}
main{padding:1em}
section{margin-bottom:2em}
footer{background:#e0e0e0;padding:1em;text-align:center;font-size:.9em}