Dropdown field is wider than the rest
So now it seems the dropdown field, both in the price set area and address area is quite a bit wider than the text areas.
https://civi47.tadpole.cc/civicrm/?page=CiviCRM&q=civicrm/contribute/transact&reset=1&id=4
https://civi47.tadpole.cc/donate/
See state and home fields.