In the CSS Source Format Options dialog box, select the options that you want to apply to your CSS source code. A preview of the CSS as it would look according to the options you’ve selected appears in the Preview window below.
Indent Properties WithSets the indentation value for properties within a rule. You can specify tabs or spaces.
Each Property On A Separate LinePlaces each property within a rule on a separate line.
Opening Brace On Separate LinePlaces the opening brace for a rule on a separate line from the selector.
Only If More Than One PropertyPlaces single-property rules on the same line as the selector.
All Selectors For A Rule On Same LinePlaces all selectors for the rule on the same line.
Blank Line Between RulesInserts a blank line between each rule.