.tree {
    min-height: 20px;
    height: 100%;
    display: block;
    padding: 3px;
    margin-bottom: 20px;
   
    -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: 10px 5px 0 5px;
        position: relative;
    }

        .tree li::before, .tree li::after {
            content: '';
            left: -20px;
            position: absolute;
            right: auto;
        }

        .tree li::before {
            border-left: 1px solid #999;
            bottom: 50px;
            height: 100%;
            top: 0;
            width: 1px;
        }

        .tree li::after {
            border-top: 1px solid #999;
            height: 20px;
            top: 25px;
            width: 25px;
        }

        .tree li span, .tree li label {
            -moz-border-radius: 5px;
            -webkit-border-radius: 5px;
            border: 1px solid #999;
            border-radius: 5px;
            display: inline-block;
            padding: 3px 8px;
            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: 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 li a:hover, .tree li a:hover + ul li a, .selected-node {
    /* background: #5cb85c; */
    color: #ffffff;
    border: 1px solid #4cae4c;
}
    /*Connector styles on hover*/
    .tree li a:hover + ul li::after,
    .tree li a:hover + ul li::before,
    .tree li a:hover + ul::before,
    .tree li a:hover + ul ul::before {
        border-color: #4cae4c;
    }