.wc-size-quantity-selector {
    margin-bottom: 20px;
}
.wc-size-quantity-selector h4 {
    margin-bottom: 10px;
}
.wc-size-quantity-selector .size-quantity {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}
.wc-size-quantity-selector .size-quantity label {
    flex: 0 0 100px;
    margin-right: 10px;
    font-weight: bold;
}
.wc-size-quantity-selector .size-quantity input {
    flex: 1;
    max-width: 80px;
    padding: 5px;
    font-size: 14px;
}