I just tried placing a bet.

The dialog that pops up asking me how much to bet has the same issue as the signup box - all the input elements are black-on-black for me. I expect you're specifying the background colour, but not the foreground colour (or vice versa). I can see what I've typed if I hit control-A (select all) but then it doesn't fit into the box provided, because you're putting .00000000 on the end.

When I try to submit the bet, it tells me I'm too late, even though there's still lots of time left.

So in short the site is very hard to use due to bad colour selection, if you work through that by selecting the invisible text placing bets doesn't work, and even if it did it wouldn't be fair at all because the bet results are determined by transaction IDs that you yourself create.

Here are some screenshots of my attempts to play:

1) I've entered my bet size but you can't see it:



2) I submit it, but it doesn't work:



3) When I 'select all', I can see some of my bet amount, but not all:



Edit: Check the text in those screenshots. One of those 'player' words should be 'dealer'?