How can I center images and instafeed on my product page?

[tamil1]

I want to know how to change product page like this

I mean how to set images, instafeed in center of product page .and content should be left as per above image..now my site like below image all content images in left .I want media files in center. I want to change like above image

[smartarc]

Which theme are you using for your shopify store?

[tamil1]

Prestige version 4.13