Command+B (Mac) or Ctrl+B (Windows/Linux)
Basic writing and formatting syntax
Create sophisticated formatting for your prose and code on GitHub with simple syntax.

In this article
Headings
Styling text
Quoting text
Quoting code
Supported color models
Links
Section links
Relative links
Images
Lists
Task lists
Mentioning people and teams
Referencing issues and pull requests
Referencing external resources
Uploading assets
Using emojis
Paragraphs
Footnotes
Alerts
Hiding content with comments
Ignoring Markdown formatting
Disabling Markdown rendering
Further reading
Headings
To create a heading, add one to six # symbols before your heading text. The number of # you use will determine the hierarchy level and typeface size of the heading.

A first-level heading

A second-level heading

A third-level heading