将Flash转换为html5后对齐内容时出现问题

Earlier I uses a flash file inside tag to make it center on my Wordpress Website. But now since have converted into html5 so i can serve my content to android browser users. The problem is with aligning the content to center of the page for android browser. I need the fix so that the same code works for both Desktop browser and Android Browser.Earlier I uses a flash file inside tag to make