The overall style of the elements is very light, clean and well balanced. It uses colours associated with certain actions, like red for cancel to allow the user to communicate to the user what the button will do.
The rest of the elements don’t use any colours and this allows them to fit in with most designs and colours schemes your site may be based around.
The PSD is fully labelled and also each form is in a group for easy management.
The font used is Segoe UI which is a font included with Windows 7 but Arial is also a suitable substitute.