src/main/resources/main.css
/* fxexperience.com/2011/12/styling-fx-buttons-with-css/ */
.ToolbarButton{
-fx-background-color:
linear-gradient(#686868 0%, #232723 25%, #373837 75%, #757575 100%),
linear-gradient(#020b02, #3a3a3a),
linear-gradient(#b9b9b9 0%, #c2c2c2 20%, #afafaf 80%, #c8c8c8 100%),
linear-gradient(#f5f5f5 0%, #dbdbdb 50%, #cacaca 51%, #d7d7d7 100%);
-fx-text-fill: #333333;
-fx-border-radius: 2, 2, 2, 2;
}
.ToolbarButton:focused{
-fx-border-color: black;
-fx-border-radius: 2, 2, 2, 2;
-fx-text-fill: #333333;
}
.ToolbarText{
-fx-background-color: white;
-fx-text-fill: #333333;
-fx-border-color: black;
-fx-border-radius: 2, 2, 2, 2;
-fx-text-fill: #333333;
}
.Toolbar{
-fx-background-color:
linear-gradient(#686868 0%, #232723 25%, #373837 75%, #757575 100%),
linear-gradient(#020b02, #3a3a3a),
linear-gradient(#b9b9b9 0%, #c2c2c2 20%, #afafaf 80%, #c8c8c8 100%),
linear-gradient(#f5f5f5 0%, #dbdbdb 50%, #cacaca 51%, #d7d7d7 100%);
}