jstree.jstree-default > ul {
    border-bottom: 1px solid #bbb;
}
jstree.jstree-default li {
    border-top: 1px solid #bbb;
    margin-left: 0;
    position: relative;
}
jstree.jstree-default .jstree-container-ul > li:first-of-type {
    border-top: 0;
}
jstree.jstree-default .jstree-node .jstree-node {
    margin-left: 0;
    padding-left: 0;
}
jstree.jstree-default .jstree-anchor {
    padding: 0 0px 0 0;
    text-shadow: none;
    color: #101010;
    font-size: 13px;
}
jstree.jstree-default .jstree-anchor.jstree-hovered,
jstree.jstree-default .jstree-anchor.jstree-clicked {
    border: 0;
    margin: 0;
    box-shadow: none;
    background: transparent;
}
jstree.jstree-default .jstree-themeicon {
    display: none;
}

jstree.jstree-default > ul { background: #cfcfcf; }
jstree.jstree-default > ul ul { background: #d8d8d8; }
jstree.jstree-default > ul ul ul { background: #dfdfdf; }
jstree.jstree-default > ul ul ul ul { background: #e8e8e8; }
jstree.jstree-default > ul ul ul ul ul { background: #efefef; }
jstree.jstree-default > ul ul ul ul ul ul { background: #f8f8f8; }
jstree.jstree-default > ul ul ul ul ul ul ul { background: #ffffff; }

jstree.jstree-default ul ul .jstree-ocl { margin-left: 8px; }
jstree.jstree-default ul ul ul .jstree-ocl { margin-left: 16px; }
jstree.jstree-default ul ul ul ul .jstree-ocl { margin-left: 24px; }
jstree.jstree-default ul ul ul ul ul .jstree-ocl { margin-left: 32px; }
jstree.jstree-default ul ul ul ul ul ul .jstree-ocl { margin-left: 40px; }
jstree.jstree-default ul ul ul ul ul ul ul .jstree-ocl { margin-left: 48px; }
jstree.jstree-default ul ul ul ul ul ul ul ul .jstree-ocl { margin-left: 56px; }