Not working with sticky header

I have tried various things but I cannot get it to work with the sticky menu/header that is called up in custom CSS.
This is the CSS I am using

#masthead {
	position: fixed;
	top: 0;
	width: 100%;
}
#page {
  padding-top: 117px;
}

Can you suggest a fix?

The page I need help with: [log in to see the link]