Gecko at 1280 by 720

OTHER RESOLUTIONS

Mobile

480x853 720x1280 1080x1920

16 by 9

1280x720 1920x1080 2560x1440

16 by 10

1280x800 1680x1050 1920x1200 2560x1600

4 by 3

1024x768 1400x1050 2048x1536 2800x2100

5 by 4

1280x1024 2560x2048