what bits do i need to edit to make the 'recalculate route' button huge when in full screen mode?

we don't have automatic route recalculation, but i think having a huge recalculate button would be just as good as you could punch your n900 with your finger.

the best i've been able to do is move the button down the screen to where i want it (250px), but the size is the same

.routingTopBar .nmp_NewRouteCalculationSpice {^M
top:250px;^M