How can I enlarge a product image on desktop only?

[jtorres]

Hello, I would like to make the product image a bit bigger on desktop only. 

This is how big I would like it to be:

Website link:  https://innovamaxx.co/products/pm

Thank you very much for your help, in advance!

[ZestardTech]

Hello There,

1. Go to Online Store->Theme->Edit code
2. product-template.liquid->change two class col-md-7 to col-md-8 and col-md-5 to col-md-4

Screenshot :- https://prnt.sc/dRZoaf1PlEv0

[jtorres]

Hey @ZestardTech , I do not have product-template.liquid in my theme, I have been searching but it does not appear with that name.

Is there any other way it could be done?

[ZestardTech]

Hello there,

Which theme you are using.

[jtorres]

@ZestardTech 

I am using Kalles 3.0.11

[ZestardTech]

Hello @jtorres 

Kindly provide me with the store access so that I can check theme structure and based on that I can assist you in a better way.
Please create a Staff account for [email protected] with access to Online Store, & Themes sections alternatively I can send you a Collaborator access request so that you can approve.

Looking forward to your response.