Fix css errors

[johno]

~/c/c8r/styleguide rewrite* 1m 30s
❯ rm -rf out && ./dist/cli.js docs/components -d out && superstatic out
 styleguide  @compositor/styleguide
Error parsing component metadata for docs/components/Box.md
Processed docs/components/Box.md
Error parsing component metadata for docs/components/Flex.md
Processed docs/components/Flex.md
Warning: Unsupported vendor-prefixed style property webkitTextDecoration. Did you mean WebkitTextDecoration?
Warning: Unsupported vendor-prefixed style property webkitAppearance. Did you mean WebkitAppearance?
Warning: Unsupported vendor-prefixed style property mozAppearance. Did you mean MozAppearance?
Warning: Unsupported vendor-prefixed style property webkitTextTransform. Did you mean WebkitTextTransform?

./library/NavLink.js:    webkitTextDecoration: 'none',
./library/Button.js:    webkitTextDecoration: 'none',
./library/FormButton.js:    webkitTextDecoration: 'none',