table.expandabletable span.indenter {
  display: inline-block;
  margin: -8px;
  padding: 0;
  text-align: right;
  user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -o-user-select: none;
  -webkit-user-select: none;
  width: 28px;
}
table.expandabletable span.indenter a {
  background-position: left center;
  background-repeat: no-repeat;
  display: inline-block;
  text-decoration: none;
  width: 25px;
  height: 9px;
}
table.expandabletable tbody {
  /* for children */
  /* for all rows except children and except the first row in table*/
}
table.expandabletable tbody tr.collapsed span.indenter a {
  background-image: url(icons/expand.png);
}
table.expandabletable tbody tr.expanded span.indenter a {
  background-image: url(icons/collapse.png);
}
table.expandabletable tbody tr[data-exp-parent-id] {
  font-style: italic;
}
table.expandabletable tbody tr[data-exp-parent-id] span.indenter {
  width: 48px;
}
table.expandabletable tbody tr:not(:first-child):not([data-exp-parent-id]) {
  border-top: 1px solid #c7c7c7;
}