/*----------- tree view ------------- */
#content-tree li.parent,#content-tree li.child{
	margin-left:30px;
}
#content-tree ul.parent,#content-tree ul.child{
	display:none;
}
#content-tree a.tree-toggler,#content-tree .child a{
	background: transparent;
	padding:5px;
	color:#444;
}
#content-tree a.tree-plus{
	padding: 0;
	background: transparent;
}
#content-tree ul.parent li::before,#content-tree ul.child li::before {
    content: "";
    display: block;
    width: 20px;
    height: 0;
    border-top: 1px solid;
    margin-top: 1px;
    position: absolute;
    top: 1em;
    left: -23px;
}
#content-tree ul.parent::before,#content-tree ul.child::before {

    content: "";
    display: block;
    width: 0;
    position: absolute;
    top: 25px;
    bottom: 14px;
    left: 6px;
    border-left: 1px solid;

}