[BUG]: backgrounds/letter-glitch

[creeperwater]

Describe the issue

centerVignette & outerVignette attribute not work

Reproduction Link

No response

Steps to reproduce

Perhaps it's because the author used Tailwind but I didn't install it.
Users should be prompted to install Tailwind.
Or adjust the composition of the block to avoid relying on Tailwind.
Ref: https://reactbits.dev/backgrounds/letter-glitch

Validations

• I have checked other issues to see if my issue was already reported or addressed

[DavidHDev]

All components use Tailwind.