Blending Options>Gradient Overlay



Gradient’s parameters:





Draw a vertical stripe now on the capsule’s middle part that would have the white color, using the Rectangle Tool (U).





For your convenience, combine in a group all the layers composing the capsule and its reflection, shadow and darkening (press on the Ctrl button to mark out the necessary layers and make a mouse’s click on its left button just to move the layers on Create a new group option).
We’ll create now the buttons situated on the menu of the site’s header. They should be situated lower than the previous mentioned group (on the layers’ palette).
Select the Rectangle Tool (U) to draw the button