I watched most of the games in that group and I also watched the previous Afcon. Morocco are the real deal, they have a very good team this time around and they are even better now than in the previous world cup or Afcon.
Croatia on the other hand are sliding, many players getting old but still something in the tank. Modric is good but he has lost a step. Can get late sometimes studs up which might give him a red card against high profile teams. No threat from right wing either, it's all from Perisic on the left.
Morocco wouldn't need to adapt, they'll just play on the counter like against Croatia. They will also have extra motivation with the history and political dimension between the neighbouring countries. Croatia on the other hand would likely need to play on the counter against Spain and I haven't seen that side of them yet.
