Here are some general quirks you can use to prettify your markdowns on GitHub further!
Code
<details>
<summary>
Dropdown
</summary>
Content
</details>
Result
Dropdown
ContentCode
<div align="left">
<p>left</p>
</div>
<div align="center">
<p>center</p>
</div>
<div align="right">
<p>right</p>
</div>
Result
left
center
right
Code
<hr />
Result
Code
<div id="user-content-toc">
<ul>
<summary>
<h1 style="display: inline-block;">
H1
</h1>
<h2 style="display: inline-block;">
H2
</h2>
</summary>
</ul>
</div>
Result
Code
> [!NOTE]
> Note
> [!IMPORTANT]
> Important
> [!WARNING]
> Warning
Result
Note
Note
Important
Important
Warning
Warning