Hello Sir,
I am an Expert professional WordPress developer and designer. I can customize any type of website using different page builders like Divi, Gutenberg, Elementor Pro etc.
I can also design/redesign a website using relevant theme. I went through your post requirements, I can help you to fix the responsiveness of the pictures gallary.
Kindly share your details to get start as soon as possible.
Regards,
Noreen Malik