"Dropdowns" in Markdown

dropdown.md

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>

Table of Contents

1. About The Project
   • README Template
2. Decoupling Object Properties
   2a

   • 2a Examples
   • 2a Practical Uses

@jeremy0x have you perhaps discovered a way to make the dropdown a header?

@AlexandreFPGoncalves Unfortunately, I haven't.

HTML header tags can do this.

It's true!

<details>
<summary><h1>HTML header tags can do this.</h1></summary>
It's true!
</details>

h1 through h6 are valid, just like one # to six ###### is valid.

@AlexandreFPGoncalves

Cool 👍 @EtiTheSpirit

Nice!

😄

That will do @EtiTheSpirit Thanks you! 😄

I made some formatted dropdowns on the GitHub profile for a game development project. They're centered, have images, and one has hidden tables.

https://github.com/RE-SS3D

Nice. Thank you! @cosmiccoincidence

can style it? like color

why not

something like this

${{\color{Goldenrod}\Huge{\textsf{ Hi\ there\ }}}}$

Looks kinda neat imo.

why not 

<details>
<summary>

### [something like this](https://gist.github.com/citrusui/07978f14b11adada364ff901e27c7f61)
${{\color{Goldenrod}\Huge{\textsf{  Hi\ there\ \}}}}\$

</summary>

*Looks kinda neat imo.*

</details>

This does not work with alerts

[!IMPORTANT]
Important note

https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#alerts