hr {
  margin: 2.25rem 0;
  border: 0;
  border-top: 2px solid #d0d7de;
}

.page-content h1,
.page-content h2,
.page-content h3,
.page-content h4,
.page-content h5,
.page-content h6 {
  line-height: 1.25;
  font-weight: 600;
}

.page-content h1 {
  font-size: 2.25rem;
  margin-top: 2rem;
  margin-bottom: 1.25rem;
}

.page-content h2 {
  font-size: 1.8rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.page-content h3 {
  font-size: 1.45rem;
  margin-top: 1.6rem;
  margin-bottom: 0.85rem;
}

.page-content h4 {
  font-size: 1.2rem;
  margin-top: 1.35rem;
  margin-bottom: 0.7rem;
}

.page-content h5 {
  font-size: 1.05rem;
}

.site-version {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.1rem 0.55rem;
  border: 1px solid #d0d7de;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #57606a;
  line-height: 1.35;
  vertical-align: middle;
}