.workspace {
    position: fixed;
    height: 100vh;
    width: 100%;
    top: 0;
    left: 0;
    display: grid;
    place-items: center;
    font: 700 12px system-ui;
}

.dragging {
    cursor: grabbing;
}

ul.tree {
    /* overflow-x: auto; */
    white-space: nowrap;
    display: flex;
    flex-direction: row;
    justify-content: center;
}

ul.tree li a span {
    border: 1px solid gray;
    padding: 10px 2px;
    font-weight: 600;
}

ul.tree li a span:hover {
    color: white;
    background: rgb(0, 128, 255);
}

ul.tree,
ul.tree ul {
    width: auto;
    margin: 0;
    padding: 0;
    list-style-type: none;
}

ul.tree li {
    display: block;
    width: auto;
    float: left;
    vertical-align: top;
    padding: 0;
    margin: 0;
}

ul.tree ul li {
    background-image: url(data:image/gif;base64,R0lGODdhAQABAIABAAAAAP///ywAAAAAAQABAAACAkQBADs=);
    background-repeat: repeat-x;
    background-position: left top;
}

ul.tree li a {
    display: block;
    width: 12em;
    /* border: 1px solid gray;
    padding: 10px 0px; */
    margin: 0 auto;
    text-align: center;
    white-space: normal;
    letter-spacing: normal;
    text-decoration: none;
    cursor: pointer;
}

ul.tree ul li:last-child {
    background-repeat: no-repeat;
    background-size: 50% 1px;
    background-position: left top;
}

ul.tree ul li:first-child {
    background-repeat: no-repeat;
    background-size: 50% 1px;
    background-position: right top;
}

ul.tree ul li:first-child:last-child {
    background: none;
}

ul.tree ul li a {
    background: url(data:image/gif;base64,R0lGODdhAQABAIABAAAAAP///ywAAAAAAQABAAACAkQBADs=) no-repeat 50% top;
    background-size: 1px 0.8em;
    padding-top: 1.5em;
}

ul.tree ul {
    background: url(data:image/gif;base64,R0lGODdhAQABAIABAAAAAP///ywAAAAAAQABAAACAkQBADs=) no-repeat 50% top;
    background-size: 1px 0.8em;
    margin-top: 1.2ex;
    padding-top: 0.8em;
}

body {
    font-family: sans-serif;
    color: #666;
    text-align: center;
}

A,
A:visited,
A:active {
    color: #c00;
    text-decoration: none;
}

A:hover {
    text-decoration: underline;
}

ul.tree,
#wrapper {
    width: 100%;
    margin: 0 auto;
}

ul.tree {
    width: 100%;
}

.clearer {
    clear: both;
}

p {
    margin-top: 2em;
}


@media only screen and (max-width: 600px) {

    img[alt="backgroundLeft"],
    img[alt="backgroundRight"] {
        display: none !important;
    }
}