How to (FAQs) How to apply custom CSS code. Estimated reading: 1 minute 125 views Contributors You can apply your own custom CSS code on Charles theme. Your custom CSS code will not be lost even if you update the theme. Navigate to Appearance > Customize > Additional CSS Take a look at the screenshots- How to (FAQs) - Previous Updating Your Theme Next - How to (FAQs) How to Paginate a Post ?