Create a new document with black background, create a new layer, use Rounded Rectangle Tool to make a selection like this:



Go to Layer Style of selected part and do like this:









You will get:



Create a new layer, hold Ctrl + click on button layer to get selection, use Linear Gradient with white color and drag like this:





Change Blend Mode to Softlight



Create a new layer, use Elip Marquee Tool to make a selection, fill it with color like this:



Go to Layer Style of selected part above:







You will get:



Create a new layer, continue use Elip to make selection and fill it wite color like this:



Continue go to Layer Style:









You will get:



Create a new layer, zoom out button and make a selection like the picture below (adjust Opacity 40%)



You will get the result like this:



Finally, you duplicate the button to make more buttons and add some text to each buttons.

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