#fileTree {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#fileTree a {
    text-decoration: none;
    color: #000;
}

#fileTree ul {
    padding: 0px;
    margin: -6px 0px;
    list-style-type: none;
    background-repeat: repeat-y;
    background-position: 6px 0px;
}

#fileTree li {
    padding: 6px 0px 0px 16px;
    margin: 0px 6px;
    display: block;
    position: relative;
    background: url('../assets/line.horizontal.png') -74px 14px, url('../assets/line.vertical.png') 0px -74px;
    background-repeat: no-repeat;
}

#fileTree li.opened:not(:last-child)::before {
    content: '';
    width: 2px;
    height: 100%;
    display: block;
    position: absolute;
    background-image: url('../assets/line.vertical.png');
    margin: 9px -16px;
}

#fileTree li:last-child {
    background: url('../assets/line.horizontal.png') -72px 14px, url('../assets/line.vertical.png') 0px -84px;
    background-repeat: no-repeat;
    margin-bottom: 6px;
}

#fileTree li a.file:before,
#fileTree li a.dir:before,
#fileTree li.opened a.dir:before  {
    content: '';
    display: inline-block;
    position: relative;
    height: 16px;
    margin-right: 4px;
    background-size: contain;
}

#fileTree li a.file:before {
    width: 15px;
    background-image: url('../assets/f.png');
}

#fileTree li a.dir:before {
    width: 15px;
    background-image: url('../assets/folder.png');
}

#fileTree li.opened>a.dir:before {
    width: 18px;
    background-image: url('../assets/folder.open.png');
}