.hdadocument {
  position: relative;
  margin-bottom: 1rem;
  border-bottom: 1px solid #dadada;
}
.hdadocument .panel-heading {
  padding: 1rem;
  background-color: rgba(255, 255, 255, 0.8);
}
.hdadocument .panel-heading.active {
  background-color: white;
}
.hdadocument .panel-heading .moreDoc {
  color: transparent;
  cursor: pointer;
}
.hdadocument .panel-heading .moreDoc:after {
  transition: all ease 0.25s;
  position: absolute;
  bottom: 0;
  right: 0;
  content: '+';
  text-align: center;
  width: 24px;
  height: 24px;
  color: #fff;
  background: #ccc;
}
.hdadocument .panel-heading .moreDoc:hover:after {
  background: #7D7D7D;
}
.hdadocument .panel-heading.active .moreDoc:after {
  content: '-';
  background: #333;
}
.hdadocument .panel-body {
  display: none;
  border-top: 1px solid #efefef;
  background: #fff;
  padding: 1rem;
}