.block-og-menu ul {
  counter-reset: item;
}

.block-og-menu ul li {
  display: inline-block;
  margin: 0;
  padding: 0;
}

.block-og-menu ul li a.list-group-item:before {
  content: counters(item, ".") ". ";
  counter-increment: item;
}

.block-og-menu li {
  margin: 0 !important;
  padding-top: 10px !important;
  margin-top: 10px !important;
  cursor: pointer;
  display: block;
  width: 100%;
  border-top: 1px solid #ddd !important;
  padding-right: 20px !important;
  font-size: 1em;
}

.block-og-menu ul li:first-child {
  border-top: none !important;
}

.menu-expandable {
  position: relative;
}

.menu-expandable.menu-expanded ul {
  padding-left: 10px;
  margin-left: 8px;
  border-left: 3px solid #ddd !important;
  border-top: 3px solid #ddd !important;
  margin-top: 10px;
}

.menu-expandable-collapse {
  text-decoration: none !important;
  color: #555 !important;
  position: absolute;
  right: 0;
  top: 10px;
}

.former-internal-link {
  color: red;
  text-decoration: underline;
  font-weight: bold;
}

.prev-chapter a,
.next-chapter a {
  font-weight: bold;
  color: #0065a2 !important;
}

.prev-chapter {
  float: left;
  background: url('../assets/icon_arrow_left.png') center left no-repeat;
  padding-left: 25px;
}

.next-chapter {
  float: right;
  background: url('../assets/icon_arrow_right.png') center right no-repeat;
  padding-right: 25px;
}

.toc-h3-item {
  padding-left: 20px;
}

.toc-h4-item {
  padding-left: 40px;
}
.toc-h5-item {
  padding-left: 60px;
}