使用Bootstrap CSS进行响应式Web设计

I have built a site that I am trying to make responsive...with Bootstrap CSS it is actually fairly easy - but I am running into a weird problem. Everything works fine...except when I visit one page (the "Settings" page), when I'm holding my iPhone upright...the links stop working in the navbar (I try to click on them but nothing happens). However, if I turn my iPhone, and hold it horizontally, the navbar links start working again. Has anyone ever seen this problem? Here is relevant code:I have built a site that I am trying to make re