.treeContainer ul {
    list-style-type: none;
    margin: 3px;
    font-size:12px;    
}

ul.checktree label, ul.checktree input {
    cursor: pointer;
    font-weight: normal !important;
}

ul.checktree li:before {
    height: 1em;
    width: 12px;
    border-bottom: 1px dashed;
    content: "";
    display: inline-block;
    top: -0.3em;
}

    ul.checktree input[type=checkbox]{
        margin-left:5px;
    }

    ul.checktree li {
        border-right: 1px dashed;
    }

ul.checktree li:last-child:before { border-right: 1px dashed; }

ul.checktree li:last-child { border-right: none; }