title: position fixed top gone wrong in mobile and stick to left
body: <p>I have been designed a web site which top menu has fixed position
  every thing is Okay, the site is not responsive. but in mobile the top menu stick to left,but it must be at center.
  please help me, what can I do??
  the website : <a href="http://www.infinitypub.com/" rel="nofollow">http://www.infinitypub.com/</a></p>