.tree {
    min-height:1rem;
    padding:1rem;
    margin-bottom:1rem;
    background-color:#fbfbfb;
    /*border:1px solid #999;
    -webkit-border-radius:4px;
    -moz-border-radius:4px;
    border-radius:4px;
    -webkit-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);
    -moz-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);
    box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05)*/
}
.tree li {
    list-style-type:none;
    margin:0;
    padding:0.5rem 0.5rem 0;
    position:relative;
	min-width: 13rem;
}
.tree li::before, .tree li::after {
    content:'';
    left:-1rem;
    position:absolute;
    right:auto;
}
.tree li::before {
    border-left:1px solid #999;
	/*bottom:3.1rem;*/
    height:100%;
    top:0;
    width:1px
}
.tree li::after {
    border-top:1px solid #999;
    height:1rem;
    top:1.5rem;
    width:1.5rem;
}
.tree li span {
    -moz-border-radius:0.3rem;
    -webkit-border-radius:0.3rem;
    border:1px solid #999;
    border-radius:0.3rem;
    display:inline-block;
    padding:0.2rem 0.5rem;
    text-decoration:none
}
.tree li.parent_li>span {
    cursor:pointer
}
.tree>ul>li::before, .tree>ul>li::after {
    border:0;
}
.tree li:last-child::before {
    height:1.5rem;
}
.tree li.parent_li>span:hover, .tree li.parent_li>span:hover+ul li span {
    background:#eee;
    border:1px solid #94a0b4;
     color:#ff0000;
}