message: correct the heading selector.
diff: }
  }
  - .h5 {
  + .h4 {
  margin-bottom: 0;
  }
  <details class="faq">
  <summary class="faq__top">
  - <h3 class="h4 faq__title">{title}</h3>
  + <h3 class="h4">{title}</h3>
  <img class="faq__arrow" src="/arrow.svg" alt="Arrow" />
  </summary>
  <div class="faq__text">
  