body {
    font-family: "Ubuntu", Gadget, sans-serif;
}
.sitemap {
    position: relative;
}
.sitemap,
.sitemap ul {
    list-style: none;
}
.sitemap li {
    position: relative;
    padding: 1em;
}
.sitemap li:after, .sitemap li:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    border-width: 1px;
    z-index: 0;
}
.sitemap li:before {
    position: absolute;
    top: 0;
    left: -1.1em;
    height: 150%;
    border-top-style: none;
    border-left-style: solid;
}
.sitemap li:after {
    top: 1.5em;
    left: -1.1em;
    width: 1.5em;
    border-top-style: solid;
}
.sitemap li:last-child:before {
    border-left: none;
}