Johnny Pauling Johnny Pauling - 1 year ago 812
Markdown Question

github center image

I've been looking at the markdown syntax used in github for a while but excepted resizing an image to the extent of the page, I can't figure out how to center an image in it.

Is it possible? If it is, how?

Answer Source

I've been looking at the markdown syntax used in github [...], I can't figure out how to center an image


No you can't by only relying on Markdown syntax. Markdown doesn't care with positioning.

Note: Some markdown processors support inclusion of HTML (as rightfully pointed out by, and in the GitHub case you may fallback to something like <div style="text-align:center"><img src ="..." /></div>. Beware that there's no guarantee the image will be centered if your repository is forked in a different hosting environment (Codeplex, BitBucket, ...) or if the document isn't read through a browser (Sublime Text Markdown preview, MarkdownPad, VisualStudio Web Essentials Markdown preview, ...).

Note 2: Keep in mind that even within the GitHub website, the way markdown is rendered is not uniform. The wiki, for instance, won't allow such css positional trickery.

Unabridged version

The Markdown syntax doesn't provide one with the ability to control the position of an image.

In fact, it would be borderline against the Markdown philosophy to allow such formatting, as stated in the "Philosophy" section

"A Markdown-formatted document should be publishable as-is, as plain text, without looking like it’s been marked up with tags or formatting instructions. "

Markdown files are rendered by website through the use of the Ruby Redcarpet library.

Redcarpet exposes some extensions (such as strikethrough, for instance) which are not part of standard Markdown syntax and provide additional "features". However, no supported extension allow you to center an image.

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