Your animations are not working in Firefox because you are using @- webkit -keyframes, which only applies to Webkit browsers, i.e. Chrome and Safari. The (somewhat) cross-browser way to do animation keyframes is.
Skyline is correct. Firefox does not support this, so you will need additional code to get the same or similar effects if they exist without webkit.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.