Add checkout validation styles to a third party or custom theme
This is a Developer level doc. If you are unfamiliar with code/templates and resolving potential conflicts, select a WooExpert or Developer for assistance. We are unable to provide support for customizations under ourSupport Policy.
You need to add this CSS to your child theme’s style.css file or to your customizers’ “Additional CSS” section. Please don’t add custom code directly to your parent theme’s style.css file as this will be wiped entirely when you update the theme.
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