The main color designed for painting the upper layer is C8760C.
The red button
The lowest layer
Blending Options-Gradient Overlay

Gradient’s parameters:

The interior layer
Blending Options-Inner Shadow

Blending Options-Gradient Overlay

Gradient’s parameters:

Blending Options-Stroke

The main color for the gradient of the red button’s last layer is 9F1000.
The blue-dark button
The lowest layer
Blending Options-Gradient Overlay