CSSMin
CSSMin - Cascading Stylesheet Minifier
What does the code do:
 •	 repaces not used whitespaces
•	 respect important comments like copyright (/*! ... */)
•	 deletes unimportat comments
•	 don't change anything in string literals
•	 handle single line rules like @import and @charset
•	 handle wrapper rules like @media, @supports, @document, @keyframes and @-webkit-keyframes
•	 handle rules like @page and @viewport like each other rule
•	 deletes multiple semicolons
•	 inserts missing semicolons in front of closing braces
•	 replace units after zero values
•	 replace zero in front of a decimal separator
•	 replace % behind zero, except in gradients
 cssmin.pas