I think that we don't have absulute solution for all browser. So we can optimize based on each browser.
Some tags can specified only in one browser.
Use JQuery to check that is what broswer and can process concern to browser.
So you can see the link to get out your solution:
CSS Reset[
^]
then apply sensible defaults like CSS Base:
CSS Base[
^]
Hope that is useful for you.
[Edit member="Tadit"]
Link text added to reflect the article title.
[/Edit]