Only the last style definition is used by the CSS parser. So cursor: pointer; is what you get. AFAIK there are no 'cumulative' CSS styles that can be set more than once without just overriding behavior.

+++ Rick ---

>When I see something like this:
>
>

>.button:hover
>{
>   cursor: hand;
>   cursor: pointer;
>}
>

>
>Is this really a support or this is an error on the person who did the stylesheet?
>
>I am wondering if this really serves for something assuming support for certain browsers when the same style is duplicated in a definition.