/* Fill Height: the pane (including numbered panes like _Pane1) and every wrapper down to the box become stretching flex columns, so boxes in side-by-side columns match heights. */
[id*="_Pane"]:has(.content-list-fill),
[id*="_Pane"]:has(.content-list-fill) *:has(.content-list-fill) {
	display: flex;
	flex-direction: column;
}

[id*="_Pane"]:has(.content-list-fill) *:has(.content-list-fill) {
	flex-grow: 1;
}