Basic formatting. Use # or multiple hashes to change size of font.

Hello

Hello

*s are for italics and bold. Two **s on each side for bold, one for italics, and 3 for both

Here is a guide on the basics.
https://steemit.com/steemit/@steemitguide/markdown-and-html-code-guide-for-beginners-that-includes-5-useful-tips-to-edit-posts-and-comments-using-the-raw-editor