On our desktop website we have a registration form. The registration for when entered provides the user with a field hint with further information on the field and any special requirements (password requirements etc).
On the desktop site it works really well. The problem comes with mobile devices when our website adapts and our field layout changes from side by side to a stacked layout.
As you can see this poses a problem for mobile users as when the field is in focus the hint covers the button.
A possible solution for this is below which when showing forces the button down when the hint shows. The problem with this is it causes the button to move when you're in a field.
Has anyone come up against this problem or is there typical solution for this sort of thing?