a{text-decoration: none; color: #333;}
ul{margin: 0;padding: 0 0 0 20px; border-left: 1px solid #ccc; list-style: none;}
body{font: 12px/1.5 tahoma,arial,宋体b8b\4f53;}
ul.active{
	display: block;
}
ul{
	display: none;
}
.arrow{
	border-color: transparent transparent transparent #ccc;
	border-style: dashed dashed dashed solid;
	border-width: 4px 0 4px 4px;
	display: inline-block;
	width: 0px;
	height: 0px;
	*vertical-align: 4px;
}
.node_icon{
	background: #fff;
	display: inline-block;
	position: absolute;	
	left: -22px;
	color: #ccc;
}
.l_node.active .node_icon{
	left: -24px;
	color: #333;
}
.l_node.active .arrow{
	border-color: #333 transparent transparent;
	border-style: solid dashed dashed;
	border-width: 4px 4px 0;
}

.l_node{
	position: relative;
}

.sql{
	height: 30px;
	line-height: 30px;
	color: #ee4444;
}