1. Start with a new document 120×120 pixels with a white (#FFFFFF) background.

2. Create a new layer (Shift + CTRL + N), Using the Rectangular Marquee Tool (M) create a selection slightly smaller than the canvas and then fill it in with black

3. Now open the Blending Options Window by right clicking the layer and selecting Blending Options, then go to gradient overlay and choose the following settings-

4. Double click the gradients and then adjust the colours by double clicking onto the small boxes and replace the colour like below.

5. Then go on to the drop shadow menu and choose the same settings as below.

6. Then choose the text tool and write “Ps” with the font Calibri and make the font size 70. Make sure that the text is in the middle and also make sure that the colour of the text is white.

7. Last Step!! Go on to blending layer and then go on to gradient overlay. Double click the gradient and then use the settings from below.

8. Finished

Via : PS Button