.tcbon-checkout{max-width:560px;padding:16px;border:1px solid #ddd;border-radius:10px}
.tcbon-checkout input{width:100%;padding:10px;margin-top:6px;box-sizing:border-box}
.tcbon-checkout button{padding:10px 14px}
#tcbon-card-element{margin:10px 0;padding:12px;border:1px dashed #bbb;border-radius:8px}