.stripe-dev-wrapper{border:1px solid #e1e1e1;padding:16px;border-radius:8px;background:#fafafa}
.stripe-dev-wrapper label{display:block;font-weight:600;font-size:14px;margin-bottom:4px}
.stripe-dev-wrapper input{width:100%;padding:8px;border:1px solid #ccd0d5;border-radius:4px;box-sizing:border-box;font-size:14px;font-family:inherit;margin-bottom:12px}
.stripe-row-50{width:48%;display:inline-block;margin-right:4%}
.stripe-row-50:last-child{margin-right:0}
.stripe-hint{font-size:12px;color:#555;margin:4px 0 0}
input#stripe_dev_card,
input#stripe_dev_exp,
input#stripe_dev_cvc {
    font-family: 'Courier New', monospace;
    font-size: 16px;
    letter-spacing: 1px;
}