Let’s talk about formatting for a moment. Below are the styles that look good. If you can’t find these styles, click the far right button on the toolbar (it looks like a square and says Toolbar Toggle) to show you these extra styles. They are then in the far left dropdown box.
Heading 1 (a bit big for within posts, though)
Heading 2 (a good size for the biggest post headings)
Heading 3 (a good size for subheadings)
Heading 4 (I mean… if you really need it.)
Preformatted (good for when you need a monospace font)
Paragraph (what you’ll write most of your posts in)
Usually, I would recommend images are set to “no alignment”.