How we format a post

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I am a h2 title (or heading).

Which means that I am the second most important title after the main title on top of the page. Please change my setting so my block type is using heading formating.

I am a h3 title (or heading).

When writing online content, you should always respect the title hierarchy. Always start with an h2 title. Never go from h2 to h4 or h5, etc.

I am a h4 title (or heading).

And I am a paragraph, but I am not using the right formatting. Please change me back to a paragraph block. Once done, change my background colour by ‘vivid cyan blue’

I am a h5 title