I\'ve been struggling to get an input with an input-append element to have the correct width in a fluid layout. I\'m using v2.0.4 of Bootstrap. As I resize to make the page
The responsive css is what's tripping this up.
By overriding some of the responsive css using
#msisdn { width: 75%; display: inline-block; }
hopefully you can see what's happening. This will get you close enough hopefully.