refactor(signup): Messaging Size Matched (#4249) r=vladikoff
refactor(signup): Messaging Size Matched (#4249) r=vladikoff


shane-tomlinson/fxa-content-server,mozilla/fxa-content-server,mozilla/fxa-content-server,shane-tomlinson/fxa-content-server,mozilla/fxa-content-server,shane-tomlinson/fxa-content-server