Originally Posted by ghostyjack
There is a way of getting the CSS file out of the created epub, all you need to do is get your zip program (I use Winrar) to open the file and then go to OEBPS\Styles\ folder and then extract (or drag-n-drop) the css file you find in there.
Open the CSS in sigil
Select All (ctrl-a)
Then paste int your text editor.
I keep snippets of code and styles in a simple text file. I copy and paste into Sigil as needed.
Lean, Mean CSS