I have looked all over the forums and haven't found anything, maybe not using the right key words. Can someone assist me in styling this outer, border-like, part of javafx spinner via css. Thanks!
If you create a dark theme in your JavaFX application, you can use -fx-base in .root styling (in style.css) then you have all your JavaFX controls in dark:
.root { -fx-base: rgba(60, 63, 65, 255); }
If you want to change the styling only for Spinner control, you can use -fx-base for .spinner in css:
.spinner { -fx-base: rgba(60, 63, 65, 255); }
Other css properties of the Spinner control you can find in modena.css.