How to create no follow links for buttons and images

Site URL: https://www.pickleballadventure.com/blog/best-pickleball-paddles-for-beginners

I have a review site with affiliate links in buttons and images. I need to make them nofollow but I can't figure out how to do this. Is there a simple way to make them nofollow? Thank you.

You can use JavaScript to add rel="nofollow" for all buttons, images link on posts.

Which plan do you use? (Personal or Business)

Thanks for your response. I have the personal plan. 

I would love to know this, too! I also have a personal plan and am looking to create nofollow buttons.