Yippee. By accident, as all good discoveries are, I have managed to create an overlap.
I was looking for a plugin that would give me a decent header. The Gutenberg cover block altho it does the job keeps crashing and just wasn’t veery reliable.
So I went looking for a decent header. I didn’t find one, but in the process, I did find plugin for GRID blocks from Generate Blocks
So here is an example of the Grid with the bottom block overlapping
and here is some text