Using the Rectangle Tool (M), create a 300 by 210px shape, fill it with the linear gradient shown below and go to Effect > Warp > Arc Lower. Enter the data shown below, clic… See more

Next, you'll need the Round Any Corner script. You can find it in the Vectortuts+ article 20 Free and Useful Adobe Illustrator Scripts. Save it to your hard drive, return to Illustrator a… See more

Disable the Snap to Grid (View > Snap to Grid) then go to Edit > Preferences > General and make sure that the Keyboard Increment is set at 1px. Reselect "body" and make … See more

Reselect "body" and make two copies in front (Control + C > Control + F > Control + F). Select the top copy and move it 1px down. Reselect both copies and click on the Minus … See more