ul.FoldableTree {
	list-style: none;
}
.FoldableTree ul {
	display:none;
	list-style: none;
}
.FoldableTree input[type="checkbox"] {
	display:none;
}
.FoldableTree input[type="checkbox"] ~ label:before {
	content: "\25b6\a0"; /* ▶  */
}
.FoldableTree input[type="checkbox"]:checked ~ label:before {
	content: "\25bc\a0"; /* ▼  */
}
.FoldableTree input[type="checkbox"]:checked ~ ul {
	display:block;
}