fix(css): make qr code padding consistent (#6048), r=@shane-tomlinson
fix(css): make qr code padding consistent (#6048), r=@shane-tomlinson


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