20 different gradient shadow graphic styles to choose from. Its made in illustrator so its vector, this means its scalable to any size without loss off resolution. You can adjust or make a complete new shadow with the settings in the appearances panel.
Ai and Eps file (save file with layers): is a save file with layers with the graphic styles applied to the rectangles, as shown in the preview.
Ai file (Actual graphic styles) : is a save file with the graphic styles i saved as a graphic style library .