.tree {
	min-height: 20px;
	-webkit-border-radius: 4px;
	-moz-border-radius: 4px;
	border-radius: 4px;
}
.tree li {
	list-style-type: none;
	margin: 0;
	padding: 5px;
	position: relative
}

.tree ul ul li:hover {
	background: rgba(red(@black), green(@black), blue(@black),.015);
}

.tree li:before, .tree li:after {
	content: '';
	left: -20px;
	position: absolute;
	right: auto
}
.tree li:before {
	border-left: 1px solid @gray-light;
	bottom: 50px;
	height: 100%;
	top: -11px;
	width: 1px;
	-webkit-transition: "border-color 0.1s ease 0.1s";
	-moz-transition: "border-color 0.1s ease 0.1s";
	-o-transition: "border-color 0.1s ease 0.1s";
	transition: "border-color 0.1s ease 0.1s";
}
.tree li:after {
	border-top: 1px solid @gray-light;
	height: 20px;
	top: 18px;
	width: 25px
}
.tree li span {
	-moz-border-radius: 5px;
	-webkit-border-radius: 5px;
	border: 1px dotted @gray-light;
	border-radius: 5px;
	display: inline-block;
	padding: 3px 8px;
	text-decoration: none;
	-webkit-transition: color .2s ease .1s, background-color .2s ease .1s, border-color .3s ease .2s;
	-moz-transition: color .2s ease .1s, background-color .2s ease .1s, border-color .3s ease .2s;
	-o-transition: color .2s ease .1s, background-color .2s ease .1s, border-color .3s ease .2s;
	transition: color .2s ease .1s, background-color .2s ease .1s, border-color .3s ease .2s;
}
.tree li.parent_li > span {
	cursor: pointer;
	padding: 7px;
}
.tree > ul > li:before, .tree > ul > li::after {
	border: 0
}
.tree li:last-child::before {
	height: 30px
}
.tree li.parent_li > span:hover, .tree li.parent_li > span:hover+ ul li span {
	background: #eee;
	border: 1px solid #94a0b4;
	color: #000
}

.tree > ul {
	padding-left: 0px;
}

.tree ul ul {
	padding-left: 34px;
	padding-top: 10px;
}

.tree li.parent_li > span:hover {
	background-color: #DF8505;
	border: 1px solid #C67605;
	color: @white;
}

.tree li.parent_li > span:hover+ ul li::before {
	border-left-color: #F89406;
}

.tree li.parent_li > span:hover+ ul li::after {
	border-top-color: #F89406;
}

.tree li.parent_li > span:hover+ ul li span {
	background: #FDDFB3 !important;
	border: 1px solid #FAA937;
	color: #000;
}

/* icons */
.tree .fa.icon-minus-sign:before {
	content:"\f056" !important;
}

.tree .fa.icon-plus-sign:before {
	content:"\f055" !important;
}