.rf-container { background:#f1f1f1; padding:40px }
.rf-box { background:#fff; max-width:700px; margin:auto; padding:30px; border:1px solid #ccc }
.rf-step { display:none }
.rf-step.ativo { display:block }
button { background:#005ea5; color:#fff; border:none; padding:8px 14px 8px 14px; margin-top:10px }
@media print { button{display:none} }