There are many ways to center elements on a web page, I read from many blogs, tutorials, and find the easiest way to center different elements.
Below is a demo page that shows how to center: text, table and image on a page.
http://www.lab.highub.com/css/css-centering-elements-pt1.php
below is a demo page that shows how to center an image both horizontally and vertically.
http://www.lab.highub.com/css/css-centering-elements-pt2.php
