Background changes per post

[xcesiv]

Is it possible to change the background behind every second post to a sightly brighter or darker shade.

[C.ooder]

you mean background to ? what

[xcesiv]

Of the Posted Area.

Here is an example Pic

[C.ooder]

you have any hacks like these https://vborg.vbsupport.ru/showthread.php?t=102339 in your forum ?