<@U3M42AS2W> I tried with both ``` .root { -f...
# tornadofx
a
@abhinay I tried with both
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.root {
    -fx-arc-width:20px;
    -fx-arc-height:20px;
    -fx-fill: null;
    -fx-background-radius: 60;
    -fx-background-color: cyan;
}
and
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stage.scene.fill = Color.TRANSPARENT // overriding the start  method of the App class