我很困惑为什么这个javascript不会改变我的h2元素的颜色

I am trying to color all strong and h2 tags based upon an earlier selection (male or female). I have done this to previous li and a tags, so I am confused as to why this isn't working. I must need to go buy a rubber ducky b/c I've been stuck for a while and this seems too easy.I am trying to color all strong and h2 tags bas