If your z-index setting is being ignored you might need to add position property, set it to relative or whatever it needs to be. I'm pretty sure z-index is ignored if position property is not set.
I think you'll find that you are trying to hack your way around a fundamental markup issue. THe usual way to do ul based drop downs is this.
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.