Declaring Variable In JavaFX CSS File

Question

I\'ve been inspecting the \"caspian.css\" distributed by Oracle in the JavaFX runtime library, and I see they have declared some color values as variables. Eg:

Answer 1

In addon for grill2010's solution:
I recommend to use SCSS with maven's builder (plugin) into CSS in "generate-resources" stage. So, You can use variables with any numbers or colors for any selector.

I'm using this scenario, and it works fine :)

P.S. You cannot do that directly in the CSS file for current OpenJFX versions.

           
                
                com.github.warmuuh
                libsass-maven-plugin
                0.2.10-libsass_3.5.3
                
                    
                        generate-resources
                        
                            compile
                        
                    
                
                
                    ${project.build.directory}/generated-sources/resources
                    ${basedir}/src/main/resources
                    
                    nested
                    false
                    false
                    ${project.build.directory}/generated-sources/resources
                    
                    true
                    false
                    false
                    5
                    true
                    false
                
            

            
                org.codehaus.mojo
                build-helper-maven-plugin
                3.0.0
                
                    
                        generate-sources
                        
                            add-source
                        
                        
                            
                                ${project.build.directory}/generated-sources/resources