Move "webkit-text-blah" to "<body>" to make it work
Summary: Ref T2009. This doesn't work when it's not on <body>, at least in modern iOS.
Test Plan:
Before:
After:
Reviewers: btrahan, chad
Reviewed By: chad
Subscribers: epriestley
Maniphest Tasks: T2009
Differential Revision: https://secure.phabricator.com/D11975