/* Tree core styles */
.tree {
	margin: 1em;
	padding: 0 0 0 1em;
	font-size:32px;
}

.tree input {
	position: absolute;
	clip: rect(0, 0, 0, 0);
}

.tree input ~ ul {
	display: none;
}

.tree input:checked ~ ul {
	display: block;
}

/* Tree rows */
/* a = between items in sub-list, b = meh, c = space between 1 and 2 subrow, d= right-shift sub-row */
.tree ul li {
	padding: 1em 0 0 1em;
}

.tree li {
	line-height: 1.2;
	position: relative;
	padding: 0 0 1em 1em;
	list-style-type:none;
}

.tree > li:last-child {
	padding-bottom: 0;
}

/* Tree labels */
.tree_label {
	position: relative;
	display: inline-block;
}

label.tree_label {
	cursor: pointer;
}

label.tree_label:hover {
	color: #666;
}

/* Tree expanded icon */
label.tree_label:before {
	background: #000;
	color: #fff;
	position: relative;
	z-index: 1;
	float: left;
	margin: 0 1em 0 -2em;
	width: 1em;
	height: 1em;
	border-radius: 1em;
	content: '>';
	text-align: center;
	line-height: .9em;
}

:checked ~ label.tree_label:before {
	content: 'v';
}

/* Tree branches */
.tree li:before {
	position: absolute;
	top: 0;
	bottom: 0;
	left: -.5em;
	display: block;
	width: 0;
	border-left: 1px solid #777;
	content: "";
}

.tree_label:after {
	position: absolute;
	top: 0;
	left: -1.5em;
	display: block;
	height: 0.5em;
	width: 1em;
	border-bottom: 1px solid #777;
	border-left: 1px solid #777;
	border-radius: 0 0 0 .3em;
	content: '';
}

label.tree_label:after { border-bottom: 0; }

:checked ~ label.tree_label:after {
	border-radius: 0 .3em 0 0;
	border-top: 1px solid #777;
	border-right: 1px solid #777;
	border-bottom: 0;
	border-left: 0;
	bottom: 0;
	top: 0.5em;
	height: auto;
}

.tree li:last-child:before {
	height: 1em;
	bottom: auto;
}

.tree > li:last-child:before {
	display: none;
}

.tree_custom {
	display: block;
	background: #eee;
	padding: 1em;
	border-radius: 0.3em;
}