How do I dropdown?
This is how you dropdown.
<details> <summary>How do I dropdown?</summary> <br> This is how you dropdown. </details>
Want to ruin the surprise?
Well, you asked for it!
<details open> <summary>Want to ruin the surprise?</summary> <br> Well, you asked for it! </details>
You can't somehow open the url, but if you hold control and click, you can!