[quote="benkarr, post:315, topic:96441"]
I put the sollution for it into spoilers
[/quote]

Thats awesome!   After hunting around a bit I couldn't find a Discourse tag for "spoiler", but did find a ["details" HTML tag](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/details).  Is that what you used?

Lets try...
<details>
    <summary>Peeka</summary>
    Boo!
</details>