Help me with responsive design!

here is my link
Guys i want to make my textbox and my search button responsive. So that it adjusts according to screen size. HELP. And also my glphycon search icon is not displaying. please help in that too.

To make the page responsive you can follow this example:
Responsive Layouts Using CSS Media Queries

Have a look at these also : 10 really useful responsive web design tutorials

I’m not seeing where you include the link reference to the source of the glyphicon search icon, hence its not showing ?

You can use bootstrap for responsive webdesign

Also for using glphycon,include bootstrap in codepen from settings in CSS