1. Create a new document 624*351. Fill the bacgrkound layer with a black->dark grey 90 degree linear gradient.
Select the Rounded Rectangle Tool (U) and draw a shape simillar to the one below:
2. Double click next to the shape's layer name to open it's Layer Styles panel. Use the following settings:
This should be the result:
3. Draw another shape using the Rounded Rectangle Tool, that covers only the top half of the previous drawn shape.
To make it look glossier (as I did) change it's fill to 0% and apply this gradient style:
4. We'll add some text:
I used Arial Black for the text. Change Fill to 0% and use these Layer styles:
After adding a reflection (groupped all the layers, duplicated the group, flipped it verticaly, lowered the opacity) I've got this:
If you have any question feel free to ask it in the comment section below.