Attach a program which creates instances of classes of javafx, call impl_CSS_STYLEABLES and get list of properties, after that it tries to find properties' descriptions by names with simple textual search in cssref.html.

The output is:
Property description was not found in CSSref : -fx-create-symbols used in class javafx.scene.chart.LineChart
Property description was not found in CSSref : -fx-labels-visible used in class javafx.scene.chart.PieChart
Property description was not found in CSSref : -fx-indeterminate-bar-length used in class com.sun.javafx.scene.control.skin.ProgressBarSkin
Property description was not found in CSSref : -fx-indeterminate-bar-escape used in class com.sun.javafx.scene.control.skin.ProgressBarSkin
Property description was not found in CSSref : -fx-indeterminate-bar-flip used in class com.sun.javafx.scene.control.skin.ProgressBarSkin
Property description was not found in CSSref : -fx-indeterminate-bar-animation-time used in class com.sun.javafx.scene.control.skin.ProgressBarSkin
Property description was not found in CSSref : -fx-size used in class com.sun.javafx.scene.control.skin.TableColumnHeader