slide colour goes all black

Hi all,

has anyone had the problem of the entire slide turning very dark when in 
full-screen mode in Adobe Reader?

The story is that I've prepared some slides with the gyom style 
(slightly modified the colours, renamed to "lpa" but nothing else) and 
I'm only using the packages: url, pifont. My document class is: 
\documentclass[pdf,lpa,slideColor,colorBG]{prosper}

and as soon as I press ctrl^L to go full screen, everything goes really 
dark. The colours stay the same as on the original, it's just the 
background that goes crazy.

I have made prosper slides many times before and it always used to look 
weird in standard reader mode. Thecolours always seemed to work fine in 
full screen so all was good. But, now it's the opposite...

Any help greatly appreciated. Thanks.


Spiros Kapetanakis



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