body { font-family: sans-serif; background:#eef2f5; margin:0; }
header { background:#fff; padding:10px 15px; border-bottom:1px solid #ccc; }
header nav a { margin-right:10px; color:#00f; text-decoration:none; }
.container { width:900px; margin:20px auto; background:#fff; padding:20px; border-radius:6px; }
.board-list li, .thread-list li { border-bottom:1px solid #ddd; padding:8px; }
.thread-meta { color:#777; font-size:0.9em; }
.post { background:#fafafa; border:1px solid #ddd; margin-bottom:15px; padding:10px; }