.trigger {
  cursor: pointer;
}
.trigger:hover {
  cursor: pointer;
  background: #ddf;
}
.expanded {
  background: #ccf;
  cursor: pointer;
}
.expanded:hover {
  background: #eef;
  cursor: pointer;
}
.show {
  position: static;
  display: table;
  border: 0px;
}
.hide {
  position: absolute;
  left: -999em;
  height: 1px;
  width: 100px;
  overflow: hidden;
  border: 0px;
}