minifycss.rb

def minify_css(css)
  # take out new lines
  css.gsub!(/\n/,'')

  # take out spaces between selectors and rule blocks
  css.gsub!(/([\.a-zA-Z_\-\#]+?)\s*\{\s*([^\{\}\s])?/,'\1{\2')
  
  # take out spaces between rule block endings and selectors
  css.gsub!(/\}\s*([\.a-zA-Z_\-\#]+?)/,'}\1')
  
  # take out spaces between rules
  css.gsub!(/(:|;)(\s+)?([\.a-zA-Z_0-9]+)?/,'\1\3')
  
  # take out comments
  css.gsub!(/(\/\*.*\*\/)/,' ')
  
  css
end