.checkout-actions-block {
    margin: 0 0 -20px;
}

.checkout-actions-block .checkout-action-btn {
    margin: 0 0 20px;
}

@media (min-width: 1200px) {
    .checkout-actions-block,
    .checkout-actions-block .checkout-action-btn {
        margin: 0;
    }
}