<details>
<summary>How awesome are the summary and detail elements?</summary>
Very!
</details><br><br>
<details>
<summary>Will you be using them from now on?</summary>
I hope so
</details><br><br>
<details open>
<summary>Want to show the content by default?</summary>
You can do that too!
</details>
/// nothing here
/* nothing here either */