I feel like better teams are going to next rounds all around. Luck isn't something very influencing in this tournament. If this trend goes on Brazil will very likely bring world cup to their home. I don't think Croatia can go to next round. There is huge power difference between them.
I also want to watch Brazil against Portugal soon. Their match can be the most enjoyable match in whole tournament. Cristiano Ronaldo is key player tho.
I also hope Brazil meets Portugal in the final, because the match between Portugal vs Brazil will definitely be a very interesting spectacle, most likely Portugal will meet Brazil in the final, because in the quarter finals Portugal will be able to win easily against Morocco, while Brazil can beat Croatia in the quarter-finals
Maybe what will be the toughest test for Brazil and Portugal is when they face Argentina and England,
According to my prediction, the four teams that will qualify for the semifinals are,
Portugal
England
Brazil
Argentina.
While the team that managed to lift the world cup trophy is Brazil.