The difference is probably .1us. You may find it interesting why browsers match CSS selectors from right to left (though this is a useless bit of trivia). see

The difference is probably .1us. You may find it interesting why browsers match CSS selectors from right to left (though this is a useless bit of trivia). see: http://stackoverflow.com/questions/5797014/why-do-browsers-match-css-selectors-from-right-to-left http://stackoverflow.com/questions/5797014/why-do-browsers-m...