Hi,
Try to add the next code in Theme Options > Theme custom CSS:
.woocommerce-message, .woocommerce-error, .woocommerce-info, .dokan-info, .dokan-error, .dokan-alert, .dokan-alert-success, .mc4wp-alert {
background-color: #f6eb0f;
color: #999999;
}
Regards















