Tutorial Photoshop
1. Make long file of the size is same wide and, for example 150 x 150 pixels. With tool marquee rectangle, make square.
2. At linear of gradient tool, choose color 1 bold and color second is darker. Then give color at square.
3. From menu of select, select all. Of menu of select choose modify - border.
4. You can give text at button.
Tutorial Photoshop
1. Make long file of the size is same wide and, for example 150 x 150 pixels. With tool marquee rectangle, make square.
2. At linear of gradient tool, choose color 1 bold and color second is darker. Then give color at square.
3. From menu of select, select all. Of menu of select choose modify - border.
4. You can give text at button.