[css-grid] Starting in Chromium 69 you might get a warning if you use percentage rows in a grid container with indefinite height. Check if your site is affected in beta/canary and update it accordingly if needed. More about this topic in my last post https://blogs.igalia.com/mrego/2018/08/10/changes-on-css-grid-layout-in-percentages-and-indefinite-height/