The Magento 2 Product Labels Extension allows you to resize labels as required, ensuring they harmonize with your store's design and maintain a cohesive visual presentation.

Read this guide on How to Create and Configure Product Labels in Magento 2 Store with resizing the product labels to fit your design preferences.

Here are the few useful resource to help.
1. Maximize Conversions With Our All-new Magento 2 Product Labels Extension.