main.main--section-page
  section.section--page.section--page-blog
  :where(h1, h2, h3, h4, h5, h6).section--page-title {
  border-bottom: 1px solid var(--color-border--default);
}

main.main--section-page
  section.section--page.section--page-blog
  div.section--page-description
  div.section--page-description-contents {
  position: relative;
  width: inherit;
}