How to make all collection list items the same height

I am some trouble with styling my collection list so that it doesn’t start to break strangely at different screen size.

Ultimately the goal is to make the site look like this mock

But for now I just want to make the div blocks in the collection list the same height so that instances with longer titles don’t take too much vertical space and push other grid items down to use the space (see photo)

Here is my site Read-Only Link

Hi Alek, try this-