Version 1
Application: Photoshop
Category: Interface
Select File > New
Width: 100
Height: 60
Background Content: Tranparent
Press Crtl+D to reset the color default colors
Select Rounded Rectangle Tool; Set pixel radius to 6 px; draw a 80 x 60 pixel rectangle/li>
Rounded Rectangle Tool   
Here's the tricky part. You have to subtract 16 px from the bottom of the shape. Select Rectangle Tool and set the toolbar option to Subtract from shape
Rectangle Tool   
Subtract Shape icon   
Select the Layer Effects button
Inner Glow
Opacity: 60%
Color: #000000
Size: 4 px
Gradient Overlay
Blend Mode: Normal
Opacity: 100%
Gradient: #FFFFFF to #CCCCCC
Style: Linear
Angles: 90°
Crtl+Double-click on the Shape Layer, which will marque select the shape. Photoshop will display the marching ants aorund your shape.
Now, contract the selection by 2 px; Selection > Modify Selection > Contract..