.t-square-payment-form__fields { background: var(--gray-100); border-radius: calc(var(--default-border-radius) * 2); padding: 1.25rem; min-width: 250px; /* matches square's .sq-card-wrapper min-width */ } @media (min-width: 48em) { .t-square-payment-form__fields { max-width: 350px; } }