Updated the styling to work in Opera.
Updated the styling to work in Opera.

Squashed commit of the following:

commit 7e5d1d01fb375eb2bb0673a644b88a737ddac636
Author: Alex Komoroske <komoroske@google.com>
Date:   Tue Apr 10 11:39:50 2012 -0400

    Remove an unnecessary font-size: 0 for hidden elements, which was causing the ex units to be 0 sized in Opera.

commit 8a386a9097e93847dc086f8708e1048dfdb824dd
Author: Alex Komoroske <komoroske@google.com>
Date:   Tue Apr 10 11:28:18 2012 -0400

    Added support for animations for Opera (although only their alpha supports them as of right now)

commit 98fd44b3dc48fe911483a44ec57becf977fbb0e5
Author: Alex Komoroske <komoroske@google.com>
Date:   Tue Apr 10 11:18:52 2012 -0400

    Added gradients to run button for opera

commit bdb444da94d2119cf70c544ef4df7d8c4d7313ab
Author: Alex Komoroske <komoroske@google.com>
Date:   Tue Apr 10 11:18:15 2012 -0400

    Added transitions on opacity of various items for Opera

commit f2f72f48df6cce31a536886110000368d541a35d
Author: Alex Komoroske <komoroske@google.com>
Date:   Tue Apr 10 11:16:55 2012 -0400

    Added in linear gradient background for Opera

git-svn-id: ec5e304a57ac3613d7b41a647d1761d9cb57b8dc@105 48a18672-c925-a5f9-4b90-b3a8688770c7

robohornet/robohornet,robohornet/robohornet,robohornet/robohornet,robohornet/robohornet