.pin-form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.pin-number {
    margin: 0 6px;
    width: 54px;
    height: 80px;
    text-align: center;
    color: rgba(23, 23, 29, 1);
    font-size: 48px;
    font-weight: 400;
    border-radius: 12px;
    border: 2px solid var(--pin-border);
    background-color: var(--pin-bg);
}

.pin-number:focus, .pin-number:active {
    background-color: #fff;
    outline: var(--pin-border-color-active) solid 2px;
}

.pin-number.error {
    border: 2px solid var(--pin-border-color-error);
}

@media (max-width: 320px) {
    .pin-number {
        font-size: 36px;
        width: 48px;
        height: 68px;
    }
}