small css fixes

git-svn-id: https://plugins.svn.wordpress.org/wp-product-review/trunk@1015452 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixed a text issue

git-svn-id: https://plugins.svn.wordpress.org/wp-product-review/trunk@1015455 b8457f37-d9ea-0310-8a92-e5e31aec5664