菜单悬停在windows 8手机和windows surface上不工作

On my web site, I have css that allows me to hover over a main menu item (like in my case "About" and have the submenu (list items) appear. It works on iphone,android,chrome,safari,IE windows 8.1 but not on windows 8 phone and windows surface. The CSS that gets hit I believe is this:On my web site, I have css that allows me to ho