.tab-pane > * > .master-detail-pane > .split-pane,
.split-pane > * > .master-detail-pane > .split-pane {
    -fx-background-insets: 0, 0;
    -fx-padding: 0;
 }
.tab-pane.floating > * > .master-detail-pane > .split-pane {
    -fx-background-insets: 0, 0;
    -fx-padding: -1;
}
.titled-pane > * > * > .master-detail-pane > .split-pane {
    -fx-background-color: null;
    -fx-background-insets: 0, 0;
    -fx-padding: 0;
}
