Improved visual appearance of system info page.
Improved visual appearance of system info page.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3565011

git-svn-id: http://src.chromium.org/svn/trunk/src@61796 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: f3b3c9afbdeb3774c49246ba0a56bd776e3676f6
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser