fix coding style
- ColorFormat: Color "red" should be written in hexadecimal format
- FontName: Font Names do not have to be quoted
- HexLength: Color "#222222" should be written as "#222"
- LeadingZero: "0.5" should be written without a leading zero
- PropertySortOrder: Properties should be sorted in order
- SingleLinePerSelector: Each selector in a comma sequence should be on its own single line
- SpaceAfterComma: Commas in function arguments should be followed by a single space
- SpaceBeforeBrace: Opening curly brace "{" should be preceded by one space
- StringQuotes: Prefer single quoted strings