How to change WooCommerce related products size

Hello there, I am bundling an online store with Attitude theme and WooCommerce. The related product size is huge. Can anyone please help me with changing the related product size?

I am not sure which file I should go to change the size code and which kind of code I should use. Here is one of the products link page. https://modernqipao.com/product/black-lace-short-qipao-sexy-cheongsam-dress/ Please take a look. Thank you for the helps!