Come, lets go to create a photoshop Document 430×430 with a Black background.
STEP-01
Create a new layer name it “box”. Use the Rounded rectangle tool (U) create a rounded corner box. Press ctrl+enter make it a section and then fill in the selection with white colour.

STEP-02
Now you need to apply Blending Options: Gradient overlay, Inner glow and stroke styles to the box layer.

STEP-03
Apply Gradient Overlay Properties as given image above.
Add this colour code for gradient – left(B1DB08) center(66AB04) right(B1DB08).

STEP-04
Next Add Inner Glow Properties as given image above. set the colour of glow(D9FF4E).

STEP-05
Add Stroke Properties as given image above. Apply the colour of Stroke(A8D508).

STEP-06
Create a new layer name it “light”. Make a Rounded rectangle selection again. Fill it with white colour.

STEP-07
Apply zigzag filter (Filter > Distort > Zigzag). Follow the Properties as given image above.

STEP-08
Reduce the layer opacity 40%. Erace with eraser tool(E) rest of the light area. finally that brings us to the end of this Photoshop tutorial.

Final Result:

Via : Glassy Button