<p dir="auto">Trying to use Input groups in inline form (single form or in Nav bar).<br>
There are expected behaviour in FireFox (v26.0), but Chrom (v34.0.1809.0 dev-m) dumbs.<br>
Trying to solve it but can't guess problem point.</p>
<p dir="auto">Here are live example: <a href="http://jsbin.com/EreJodAC/1/" rel="nofollow">http://jsbin.com/EreJodAC/1/</a></p>
<p dir="auto">Here are screenshots:<br>
FireFox (as expected)<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://camo.githubusercontent.com/37b05bdd696729e212ab2375f1bf59dd0ea6793a0387af571232ead7180147b2/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313030393932362f323033393639362f33376630316564612d383961372d313165332d383233612d3161383564656364636237332e706e67"><img src="https://camo.githubusercontent.com/37b05bdd696729e212ab2375f1bf59dd0ea6793a0387af571232ead7180147b2/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313030393932362f323033393639362f33376630316564612d383961372d313165332d383233612d3161383564656364636237332e706e67" alt="image" data-canonical-src="https://f.cloud.github.com/assets/1009926/2039696/37f01eda-89a7-11e3-823a-1a85decdcb73.png" style="max-width: 100%;"></a></p>
<p dir="auto">Chrome<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://camo.githubusercontent.com/78e35af0cefb42bbd46665b68925c096356a5c5e9ca45d76561d1fadbd0c323c/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313030393932362f323033393639302f32356166346664652d383961372d313165332d393838302d3734396466323730313136632e706e67"><img src="https://camo.githubusercontent.com/78e35af0cefb42bbd46665b68925c096356a5c5e9ca45d76561d1fadbd0c323c/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313030393932362f323033393639302f32356166346664652d383961372d313165332d393838302d3734396466323730313136632e706e67" alt="image" data-canonical-src="https://f.cloud.github.com/assets/1009926/2039690/25af4fde-89a7-11e3-9880-749df270116c.png" style="max-width: 100%;"></a></p>
<p dir="auto">Checked on latest from master and still gets the same.</p>
<p dir="auto">When you have an input-group (I've only tested it with a button) inside a navbar the form doesn't align and makes the navbar height way longer.</p>