How to make these grid items even width

I’m using this template for my portfolio. I can’t figure out how to make the rows even width.

https://preview.webflow.com/preview/aarins-awesome-project?utm_medium=preview_link&utm_source=designer&utm_content=aarins-awesome-project&preview=7088de8845fe857ee964ce709b9d6edd&pageId=6150d50dae0e3406a3448bcd&workflow=preview


Here is my site Read-Only: LINK
(how to share your site Read-Only link)