.markdown-body {
  h1 { @include alt-h2; }
  h2 { @include alt-h3; }
  h3 { @include alt-h3; }

  h1, h2, h3 {
    margin-top: $spacer-6;

    &:first-child {
      margin-top: 0;
      margin-bottom: $spacer-6;
    }
  }
}