A CSS property written with the underscore on the start is visible for
Internet Explorer (all versions but IE 7), property with # on the start is
visible for all IE version (IE7 included). But such written property is invisible for any other standard browser (e.g.
Explorer interprets _position: absolute; unlike other browsers).


後來我都放棄了,全部用table的valign
沒辦法,定位的立意良好,不過在不同的瀏覽器中就暈了