Reimplement the sizing of the commuter bus and MARC train tickets to
account for the split top and bottom halves of the ticket. This is not
too difficult because, this time around, we take advantage of the
transform-box and transform-origin properties to scale only the bottom
half of the ticket, and only downwards.
The new magic numbers were found by comparing old/new versions of the
page in two separate browser tabs. This also happens to fix the
alignment of the grey ticket separator, because the top half of the
ticket (that contains it) is no longer being scaled