Selecting the same instrument, represent now the basis for the button.

Create Movie Theatre Web Layout in Photoshop CS

Create Movie Theatre Web Layout in Photoshop CS

Blending Options-Inner Glow

Create Movie Theatre Web Layout in Photoshop CS

Blending
Options-Gradient Overlay

Create Movie Theatre Web Layout in Photoshop CS

Gradient?s parameters:

Create Movie Theatre Web Layout in Photoshop CS