body { font-family: sans-serif; padding: 20px; }
input { padding: 8px; width: 600px; }
button { padding: 8px 14px; }
table { margin-top: 20px; border-collapse: collapse; }
th, td { border: 1px solid #ccc; padding: 6px; }
th { background: #f5f5f5; }
code { background: #eee; padding: 2px 4px; }