.site-map .expandable.collapsed {
  background-image: url('/Content/images/folder-expandable-collapsed.png') !important;
  background-repeat: no-repeat;
  padding-left: 20px;
}
.site-map .expandable.expanded {
  background-image: url('/Content/images/folder-expandable-expanded.png') !important;
  background-repeat: no-repeat;
  padding-left: 20px;
}
.site-map .expandable.collapsed > ul {
  display: none;
}
.site-map .expandable.expanded > ul {
  display: block;
}
.site-map ul {
  list-style: none;
}
.site-map ul li > ul {
  padding: 0;
}
.site-map ul li > ul li {
  padding-left: 20px;
}
.site-map ul li > ul li.file {
  background-image: url('/Content/images/file.png');
  background-repeat: no-repeat;
}