Unclear here I know you can style things through css and usually for a theme i do this in the themes css but gravity forms has its own css, which from what i can see is only accessible by editing offline and then reuploading and not through wordpress admin
So for something like this
http://forum.gravityhelp.com/topic/centering-submit-button-image
Suggestions on the whole centering of the submit button. CSS is given but where do i put this css???? in gravity or the themes css?