.level0{ margin-left :20px;}
.level1{ margin-left :40px;}
.level2{ margin-left :60px;}
.level3{ margin-left :80px;}
.level4{ margin-left :100px;}
.level5, .level6, .level7, .level8, .level9, .levelx { margin-left :120px;}
.description {
  margin-left :20px;
  font-size: 10px;
  color: #999966;
}