Follow up on the tables:
If you add a <table> tag above a Markdown table it stops it from stretching across the whole screen.
| Column 1 | Column 2 |
|---|---|
| Green | One |
| Blue | Two |
| Red | Three |
| Column 1 | Column 2 |
|---|---|
| Green | One |
| Blue | Two |
| Red | Three |
<table>
Column 1 | Column 2
--- | ---
Green | One |
Blue | Two
Red | Three
</table>