What's up with the growing blue thingy (click anywhere)? It causes the form to shift downward, and I don't get the point at all. Also, "sign-in or signin using

What's up with the growing blue thingy (click anywhere)? It causes the form to shift downward, and I don't get the point at all. Also, "sign-in or signin using..." is awkward. Finally, the drop-shadow and strike-through (soc-ia-l) is a bit much.