Mozilla's <absolute-size> assignments by resolution and default size

Size to Size Pixel Decrement/Increment
Example Resolution	xx-sm delta	x-sm delta	small delta	med px	large delta	x-lrg delta	xx-lrg delta
640x480	0	0	1	10	2	3	5
640x480	0	1	1	11	2	4	5
800x600	0	1	2	12	2	4	6
800x600	1	2	1	13	3	4	6
960x720	1	2	2	14	3	4	7
1024x768	1	3	2	15	3	5	7
1024x768	1	3	3	16	3	5	8
1152x864	3	2	2	17	4	5	9
1152x864	2	3	2	18	4	5	9
1280xX	3	3	2	20	4	6	10

Suggested Size to Size Pixel Decrement/Increment
Example Resolution	xx-sm delta	x-sm delta	small delta	med px	large delta	x-lrg delta	xx-lrg delta
640x480	0	0	1	10	2	3	5
640x480	0	1	1	11	2	4	5
800x600	1	1	1	12	2	4	6
800x600	1	1	1	13	3	4	6
960x720	1	1	1	14	3	4	7
1024x768	1	1	1	15	3	5	7
1024x768	1	2	1	16	3	5	8
1152x864	1	2	2	17	3	4	9
1152x864	1	2	2	18	4	5	9
1280xX	2	2	2	20	4	6	10