Can't figure out cascading grid

Hi there,

I’m working on a website build for a client with a quick turnaround time. I’m utilizing grids for the first time and am having trouble getting it to cascade to a single column on mobile view. I’ve deleted rows, but for some reason my content isn’t automatically cascading.

In specific I’m referencing the Work (New) page.

Here is my site Read-Only:

Not sure why you are even using a grid for a 2 dimensional layout. Flex is the obvious choice for this. Grid template areas are not needed either. Might be helpful if you watch the course on Grid in the Univ.
CSS grid in Webflow | Webflow University