Space between products

Working on my store right now and I find it difficult to adjust spacing between products when I list some products in a Summary.

I've attached 2 screenshots, one is the regular store page on which the spacing between products is right, and the second screenshot is a few products displayed in a summary, and on which the horizontal spacing is right, but vertical spacing isn't and can't seem to find the right tool to fix this, any idea?

Thanks!!!

You can use custom code to handle

Can you share link to your site?

thanks tuanphan, unfortunately the site is in private mode (test site). there's no customization to what you see above, it's a simple grid of products taken from the test site.

but knowing there's no option to fix this is already a good thing. I'll sort this by custom css then.