figure และ figcaption

<figure>
  <img src="chart.png" alt="Bar chart showing Q1-Q4 revenue">
  <figcaption>Figure 1: Quarterly revenue growth, 2024.</figcaption>
</figure>
<!-- figcaption can be first or last child of figure -->
<!-- It is visible text that supplements the alt text -->

<figure>
  <figcaption>Listing 1: Hello World in HTML</figcaption>
  <pre><code>&lt;!DOCTYPE html&gt;
&lt;html&gt;
  &lt;body&gt;Hello, World!&lt;/body&gt;
&lt;/html&gt;</code></pre>
</figure>

<figure>
  <img src="chart.png" alt="Line chart showing 45% growth from January to December">
  <figcaption>Source: 2024 Annual Report, Finance Department.</figcaption>
</figure>

<figure>
  <pre><code>function greet(name) {
  return `Hello, ${name}!`;
}</code></pre>
  <figcaption>Example 1: A simple greeting function in JavaScript.</figcaption>
</figure>

<figure>
  <blockquote>
    <p>The web is for everyone.</p>
  </blockquote>
  <figcaption>— Tim Berners-Lee, inventor of the World Wide Web</figcaption>
</figure>

<figure>
  <img src="before.jpg" alt="Garden before renovation">
  <img src="after.jpg" alt="Garden after renovation">
  <figcaption>Before and after the 2024 renovation project.</figcaption>
</figure>

<p>The growth trend is illustrated in <a href="#fig1">Figure 1</a>.</p>

<figure id="fig1">
  <img src="growth.png" alt="Revenue growth chart 2020-2024">
  <figcaption>Figure 1: Annual revenue growth 2020-2024.</figcaption>
</figure>

<!-- Decorative or simple content image: just img -->
<img src="avatar.jpg" alt="Profile photo of Jane Doe" class="avatar">

<!-- Image with a caption OR self-contained reference: use figure -->
<figure>
  <img src="diagram.svg" alt="System architecture diagram">
  <figcaption>Figure 3: The three-tier architecture.</figcaption>
</figure>

figure {
  margin: 2rem auto;
  max-width: 100%;
  text-align: center;
}

figcaption {
  font-size: 0.875rem;
  color: #666;
  margin-top: 0.5rem;
  font-style: italic;
}