How can I disable `Unknown property: ` error in eclipse while writing JavaFx css

Question

How can I disable Unknown property: error in eclipse while writing JavaFx css properties on Eclipse Mars?

For example: Unknown property: "-fx-background-color" in -fx-background-color: #CCFF99;

Answer 1

Right click on your project and go to build path > Configure build path. Under libraries, click on "Add library..." button. Add JavaFX SDK to your project. This will resolve your issue.