### Description
- Enhance typography and color consistency in PostPreview and PostContentPage
- Add tailwind configuration for custom typography styles
### Package Changes
_No response_
### Screenshots
_No response_
### Reference
Resolves#87
### Checklist
- [x] A milestone is set
- [x] The related issuse has been linked to this branch
Reviewed-on: #88
Co-authored-by: SquidSpirit <squid@squidspirit.com>
Co-committed-by: SquidSpirit <squid@squidspirit.com>