ul.Tree
{
  list-style-type: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

ul.Tree .paper
{
  padding-left: 15px;
}

ul.Tree span.NodeRef
{
  display: none;
}