Let's create a golden-ratio rectangle, which means width/height = 1.618. This rectangle should have the fixed ratio even when width changes. <div clas…

11. fit the image

9. multi-column text

10. golden-ratio rectangle

<pre class="shiki github-dark shaku"><code>.golden-ratio { width: 100%; max-width: 200px; aspect-ratio: 1.618 / 1; background-color: #ccc;}</code></pre>