DOMUI: Cleanup options_page.css a bit. * Move the 'display: block' property of labels into the checkbox and radio   classes. * Remove now-superfluous properties. * Use input[type=checkbox] instead of the checkbox class where possible.
DOMUI: Cleanup options_page.css a bit.
* Move the 'display: block' property of labels into the checkbox and radio
  classes.
* Remove now-superfluous properties.
* Use input[type=checkbox] instead of the checkbox class where possible.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6046001

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@69612 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser