The design is clean, but I would put more than one casino on the front page personally as you want to provide visitors with variation. Maybe 4 or 5 and cut down the amount of text. In my opinion, best to have one paragraph of text and then link it through to a fuller review on a sub-page.
I’d also bear this in mind: you probably have one chance to convert a visitor into a player. If all your reviews state how good a casino is, it doesn’t really give them anything to make a choice from. I would state areas where a casino falls down so that the punter has as much info as possible to make a decision while they are on your site. If you say “great great great” and then they go there and find (for example) cashouts are slow, or support is rubbish ,or they don’t accept players from his/her State, they will probably move on and you’ve already lost them.
A bit of honesty goes a long way and also encourages loyalty. In the days before I was an affiliate and principally a player, I preferred reviews from people that had obviously played there and knew the good and the bad.
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No offence, but players will probably see that for what it is. A sales pitch (he says, politely 
).
So the design: fine. The content: needs some work IMO.
Just my $0.02 