So here is the code I'm working with. I first had a container with flex, and that allowed me to place predictors and taglist on the left hand side (one on top of each other, this is fixed position) and the rest to the right side of it.
Now I wanted to add a menu that would stay on top and be fixed, i.e. stays there while I scroll. But I can't seem to do that, and doing
Here is your working FIDDLE
top:0px and give
Hope that helps Thanks :)