title: Bootstrap form Input not working in grid system unless col-lg-
body: <p>Here is the sample code;</p>
  
  <p><a href="http://www.bootply.com/lHB0p7sBFI" rel="nofollow">http://www.bootply.com/lHB0p7sBFI</a></p>
  
  <p>Basically the input textbox works perfect in large screen mode, but if I shrink the web browser to md, sm, or xs I lose all functionality of the input box I cannot enter text after I click on the box.</p>