images are not responsive in mobile

[jazzi]

Summarize the issue (briefly)
images in WooCommerce product page (detailed description section) are not responsive in mobile phone and too large instead.

Steps to reproduce

1. Insert images into detailed description section of WooCommerce product page
2. Publish
3. Check it on mobile phone
4. Images are not centered and too large too.

Expected behavior
auto fit the width of mobile.

Screenshots

Yith Wonder Version:

• Version: 2.1.0

Browser (with version) & Operating System (with version)

• Browser: Safari
• Operating System: iOS
• Device: iPhone

Additional context
Theme Yith Proteo doesn't have such problem. Ever tried to add the following CSS but didn't work.

img { margin: 0 auto; }