details{
  cursor: pointer;
}

.expand-children{
  display:inline-block;
  cursor: pointer;
  width:10px;
  height: 10px;
  margin: 0 0 0 6px;
}

#hierarchy .ul {
  margin-left: 30px;
}
/*
.shelf-depth-0 {
  margin-left: 0px;
}
.shelf-depth-1 {
  margin-left: 30px;
}
.shelf-depth-2 {
  margin-left: 60px;
}
.shelf-depth-3 {
  margin-left: 90px;
}
.shelf-depth-4 {
  margin-left: 120px;
}
.shelf-depth-5 {
  margin-left: 150px;
}
.shelf-depth-6 {
  margin-left: 180px;
}
.shelf-depth-70 {
  margin-left: 210px;
}
.shelf-depth-80 {
  margin-left: 240px;
}
.shelf-depth-90 {
  margin-left: 270px;
}
.shelf-depth-100 {
  margin-left: 300px;
}
*/