How do you lock Block proportions?

Hello! I’ve been trying to set up a website with blocks. When I set some blocks up, the dimensions I set up are always reset when I hide the Blocks view, or refresh the page :frowning: Some widgets even end up getting their own Blocks that I didn’t set for some reason.

Is there a way to make these blocks steady or permanent? For context, I was hoping to make a portfolio page with blocks explaining the work that I do. I have a hefty amount of projects to post, images within them, and copy for each project, so standardizing layout would really help make the site more sustainable in the long run

Here’s what it looks like when I set it:

Then after closing the window & reopening my readymag, it turns into this: