Update README.md

Merge pull request #3 from jkymarsh/remove-mobile-device-styles

remove mobile classes from size

remove mobile classes from font, margin, padding

add code comments for global styles

lower desktop breakpoint size

Merge pull request #2 from jkymarsh/remove-button-generation

remove button generation config

add debug borders to config; fix class names

Update README.md

continue updating code comments

begin cleaning up code comments

minor code formatting

convert extends to silent classes

add more size fractions