span.rt-h {
  display: block;
  font-weight: 700;
  line-height: 1.15;

  margin: 1.5rem 0 .5rem;
}
span.rt-h:first-child { margin-top: 0; }

.rt-h2 { font-size: 1.45em; }
.rt-h3 { font-size: 1.28em; }
.rt-h4 { font-size: 1.14em; }
.rt-h5 { font-size: 1.02em; }

span.rt-h + span.rt-h { margin-top: .75rem; }

span.rt-hr {
  display: block;
  height: 0;

  margin: 1.5rem 0 1.9rem;
  border: 0;
  border-top: 1px solid currentColor;
  opacity: .22;
}
span.rt-hr:first-child { margin-top: 0; }
span.rt-hr:last-child { margin-bottom: 0; }

span.rt-hr + span.rt-h { margin-top: 0; }