Not a tutorial from me, but I thought I'd share this link which has some nice buttons styled in CSS.
http://fxexperience.com/2011/12/styling-fx-buttons-with-css/
Create the css file and add it to the files tab, then add a style class to each button and add the css in the designer (or code) to the pane that contains the buttons or the parent of all panes if you have multiple panes that contain buttons you want to style. Some nice looks in here.
http://fxexperience.com/2011/12/styling-fx-buttons-with-css/
Create the css file and add it to the files tab, then add a style class to each button and add the css in the designer (or code) to the pane that contains the buttons or the parent of all panes if you have multiple panes that contain buttons you want to style. Some nice looks in here.