Used Media Queries to Make Adjustments

Fixed spacing on the moons.html page between the images and the
information beside it on large screen.
Adjusted alignment in the footer to move at different screen sizes.
Added media queries to adjust typography sizes for large screen sizes.
Adjusted spacing for data lists at large screen sizes.
Added a discovery section to moons.html and applied grids, typography
and used span to hide words at the extra small screen size.