Improve interface and uniform format

Global:
* Align icon and text

pmahomme:
* Add &lt;input> and &lt;select> CSS3 hover effect
* Remove &lt;input> and &lt;select> focus outline in Chrome
* Uniform color value format

Original:
* Fix plus and minus icon position in #navigation

Signed-off-by: Edward Chen &lt;c4150221@gmail.com>