320 x 40

320 x 40 = 12800

Example of 320 x 40 pixels banner dimensions.

270 x 90 280 x 80 290 x 70 300 x 60 310 x 50

320 x -10 320 x 0 320 x 10 320 x 20 320 x 30

320 x 90 320 x 80 320 x 70 320 x 60 320 x 50

330 x 50 340 x 60 350 x 70 360 x 80 370 x 90