body { font-family: Arial, sans-serif; margin:20px; }
h1 { margin-bottom: 8px; }
button { margin:5px; padding:8px 12px; }
#choices button { display:block; margin:6px 0; width: 100%; max-width: 400px; text-align:left; }
textarea { font-family: monospace; }
table { border-collapse: collapse; }
table th, table td { padding:6px 10px; border:1px solid #ccc; }