Add styles for the default consent field from Gravity Forms.

[Vinsanity]

What does this do/fix?

Adds pcss support for the consent field that comes out of the box with GF.

(yes, I noticed I misspelled the branch name lol)

QA

Screenshots/video:

Tests

Does this have tests?

• [ ] Yes
• [x] No, this doesn't need tests.
• [ ] No, I need help figuring out how to write the tests.