This looks to be a set notes about CSS development with notes about nesting, the :has() pseudo-class, and container queries (I’ll have to read up about that).
Where to find elevation
I wanted to be able to include elevations when working with the Observer class in the Python astral module. This led me to:
- The Free Map Tools’ Elevation Finder
- Free Map Tools which looks like a nifty resource for working with maps.