Buttons.css

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 ** This demo file is part of yFiles for JavaFX 3.6.
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 ** Copyright (c) 2000-2023 by yWorks GmbH, Vor dem Kreuzberg 28,
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/* ==================
The style for the buttons is round and with a dark radial gradient that
makes the button look three-dimensional.
The hovers make the buttons bright and change the text color to black.
   ==================  */

/*
Style for a button that stands for showing/hiding
the subordinates of an employee.
The padding is a bit larger than the one of the parent button,
because the symbol has a smaller width and thus
the button needs more padding to be round.
*/
.childbutton {
    -fx-background-color: #249AE7, radial-gradient(radius 150%, white, lightgray);
    -fx-background-insets: 0,1;
	-fx-background-radius: 2,1;
    -fx-font-family: "System Regular";
    -fx-font-size: 10px;
    -fx-text-fill: #249AE7;
    -fx-padding: 0;
}

.childbutton:hover {
    -fx-background-color: #249AE7, radial-gradient(radius 250%, white, lightgray);
    -fx-background-insets: 0,1;
	-fx-background-radius: 2,1;
    -fx-font-family: "System Regular";
    -fx-font-size: 10px;
	-fx-text-fill: #249AE7;
    -fx-padding: 0;
}

/*
Style for a button that stands for showing/hiding the supervisor of an employee.
The padding is a bit smaller than the one of the child button,
because the symbol has a larger width and thus
the button needs less padding to be round.
*/
.parentbutton {
    -fx-background-color: #249AE7, radial-gradient(radius 150%, white, lightgray);
    -fx-background-insets: 0,1;
	-fx-background-radius: 2,1;
    -fx-font-family: "System Regular";
    -fx-font-size: 10px;
    -fx-text-fill: #249AE7;
    -fx-padding: 0;
}

.parentbutton:hover {
    -fx-background-color: #249AE7, radial-gradient(radius 250%, white, lightgray);
    -fx-background-insets: 0,1;
	-fx-background-radius: 2,1;
    -fx-font-family: "System Regular";
    -fx-font-size: 10px;
    -fx-text-fill: #249AE7;
    -fx-padding: 0;
}