Open Design in the app’s menu.
Open a row, like Labels or Inputs, and change only what you need. A row says Theme while it follows your theme, or how many settings you changed.
The preview shows your changes as you go. Reset undoes them.
Click Save. The look applies to every option set.
Still stuck?
Open the app in your Shopify admin, go to Help and click Chat with us, or email [email protected] with your store’s myshopify.com address.