<article>: 記事コンテンツ要素

<article class="forecast">
  <h1>シアトルの天気予報</h1>
  <article class="day-forecast">
    <h2>2018/03/03</h2>
    <p>雨。</p>
  </article>
  <article class="day-forecast">
    <h2>2018/03/04</h2>
    <p>ずっと雨。</p>
  </article>
  <article class="day-forecast">
    <h2>2028/03/05</h2>
    <p>大雨。</p>
  </article>
</article>

.forecast {
  margin: 0;
  padding: 0.3rem;
  background-color: #eee;
}
.forecast > h1,
.day-forecast {
  margin: 0.5rem;
  padding: 0.3rem;
  font-size: 1.2rem;
}
.day-forecast {
  background: right/contain content-box border-box no-repeat
    url("/shared-assets/images/examples/rain.svg") white;
}
.day-forecast > h2,
.day-forecast > p {
  margin: 0.2rem;
  font-size: 1rem;
}

<article class="film_review">
  <h2>Jurassic Park</h2>
  <section class="main_review">
    <h3>Review</h3>
    <p>Dinos were great!</p>
  </section>
  <section class="user_reviews">
    <h3>User reviews</h3>
    <article class="user_review">
      <h4>Too scary!</h4>
      <p>Way too scary for me.</p>
      <footer>
        <p>
          Posted on
          <time datetime="2015-05-16 19:00">May 16</time>
          by Lisa.
        </p>
      </footer>
    </article>
    <article class="user_review">
      <h4>Love the dinos!</h4>
      <p>I agree, dinos are my favorite.</p>
      <footer>
        <p>
          Posted on
          <time datetime="2015-05-17 19:00">May 17</time>
          by Tom.
        </p>
      </footer>
    </article>
  </section>
  <footer>
    <p>
      Posted on
      <time datetime="2015-05-15 19:00">May 15</time>
      by Staff.
    </p>
  </footer>
</article>