refactored blog page to align with vocabulary markup

[Queen-codes]

Fixes

• Related to [Feature] Blog page refactor and redesign #860 by @Queen-codes

Description

This PR refactors the blog page and blog posts to match the context and markup provided in vocabulary

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
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  visible errors.

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[TimidRobot]

In addition to the code comments, below, please merge the updated vocab-refresh branch in.

[TimidRobot]

Good work, thank you!