To render an accordion that's expanded by default, add the `open` attribute to the `<details>` element.
<Example code={`<div class="accordion">
- <details class="accordion-item" name="accordionExample">
+ <details class="accordion-item" name="accordionExample" open>
<summary class="accordion-header">
Accordion Item #1
<svg class="accordion-icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"><path d="m2 5 6 6 6-6"/></svg>