.tree li {
    margin: 0px 0;
    list-style-type: none;
    position: relative;
    padding: 20px 5px 0px 5px;
}

    .tree li::before {
        content: '';
        position: absolute;
        top: 0;
        width: 1px;
        height: 100%;
        right: auto;
        left: -20px;
        border-left: 1px solid #ccc;
        bottom: 50px;
    }

    .tree li::after {
        content: '';
        position: absolute;
        top: 30px;
        width: 25px;
        height: 20px;
        right: auto;
        left: -20px;
        border-top: 1px solid #ccc;
    }

    .tree li a {
        display: inline-block;
        padding: 5px 10px;
        text-decoration: none;
        color: #666;
        border-radius: 5px;
        -webkit-border-radius: 5px;
        -moz-border-radius: 5px;
        cursor: default;
    }

/*Remove connectors before root*/
.tree > ul > li::before, .tree > ul > li::after {
    border: 0;
}
/*Remove connectors after last child*/
.tree li:last-child::before {
    height: 30px;
}

/*Time for some hover effects*/
/*We will apply the hover effect the the lineage of the element also*/
.tree li a:hover {
    background: #c8e4f8;
    color: #000;
}
    /*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: #94a0b4;
    }