body { font-family: Arial, sans-serif; background: #eef; color: #000; text-align: center; }
.container { display: inline-block; background: #fff; padding: 20px; border: 1px solid #ccc; }
label { margin-top: 10px; font-weight: bold; }
input, select, textarea { margin-top: 5px; padding: 5px; width: 100%; max-width: 400px; box-sizing: border-box; }
textarea { min-height: 100px; }
button { margin-top: 10px; padding: 6px 12px; cursor: pointer; }
.note { font-size: 0.9em; color: #666; }