#treeview{
    position: relative;
    font-family: 'Roboto Mono', monospace;
    font-size: .85rem;
}

#treeview ul,
#treeview li {
    line-height: 1.2;
    margin: 0;
}

#treeview ul {
    padding-left: 5px;
    list-style: none;
}

#treeview > ul > li:first-child {
    padding-left: 5px;
    list-style: none;
}

#treeview ul li {
    position: relative;
    padding-top: 5px;
    padding-bottom: 5px;
    padding-left: 15px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing:border-box;
    box-sizing: border-box;
}

#treeview > ul > li:first-child:before,
#treeview > ul > li:first-child:after {
    width:0px;
    height:0px;
}

#treeview ul li:before {
    position: absolute;
    top:15px;
    left:0;
    width: 10px;
    height:1px;
    margin:auto;
    content:'';
    background-color: #665;
}

#treeview ul li:after {
    position: absolute;
    top:0;
    bottom: 0;
    left:0;
    width:1px;
    height:100%;
    content:'';
    background-color: #665;
}

#treeview ul li:last-child:after {
    height:15px;
}

#treeview ul a{
    cursor: pointer;
}

#treeview ul a:hover{
    text-decoration: none;
}