C2 background-image when changing tabs on browser

[asofiane82]

Hello,

First, thank you SO MUCH for C2, this work is awesome.

I have a little problem when using background-image, this works fine , pretty cool.
But, when i change tab on my browser for few seconds then i come back to my page i have my body first (in my case it's black BG) then the slider.

you can see the problem at http://passy-eiffel.agencewebcom.com/

Can you please help me to fix this ?

[asofiane82]

OK , found it my self, problem is query 3 and upper