body{font-family:sans-serif;margin:0;padding:0;background:#fff;color:#000;}
.site-header nav ul{display:flex;gap:1em;list-style:none;background:#333;padding:0.5em;}
.site-header nav a{color:#fff;text-decoration:none;}
.site-footer{background:#f5f5f5;padding:1em;text-align:center;font-size:0.9em;}