Images Compressing Poorly in Webflow: Need Help with Section Layout

I'm having this issue: on this section "section_layout423" when i change the images on the cards, when i publish the site the images get compress really badly, while I can se them in HD in the webflow designer Does anyone know the cause? here's the read-only link: https://preview.webflow.com/preview/involve-developing?utm_medium=preview_link&utm_sou[…]&pageId=672a1cfead143d4debccbf4c&locale=en&workflow=preview