gifs or webm as background

[Wirless]

is that possible?

 

[4drik]

Gifs no but you can use apng to achieve the same result as gif.

 

[Wirless]

Gifs no but you can use apng to achieve the same result as gif.

really I just want to add some light effects on login screen like particle systems or shadows around picture

 

[4drik]

I understand.
Use some editor to change gif to apng or just download apng maker and then put it to OTC.