Silly min-height, tricks are for kids.

Ugh. Radial background seems to have been fixed by just adding a
min-height of 100%. Also added some margins for the dropdowns so they
don't look bad on smaller screen sizes.
Revert "Silly min-height, tricks are for kids."

This reverts commit d72fad08811f827f62620a41b7b7fd6c03fffb58.