update2 css

git-svn-id: https://plugins.svn.wordpress.org/featured-image-widget-slider/trunk@971623 b8457f37-d9ea-0310-8a92-e5e31aec5664
code updated

git-svn-id: https://plugins.svn.wordpress.org/featured-image-widget-slider/trunk@971624 b8457f37-d9ea-0310-8a92-e5e31aec5664