A:link A:hover A:problems

any clue why this isnt working? when i hover over the links or when its active the underline and overline dont show up… why?

<style>
		A:link			{color:#CC0000;text decoration:none}
		A:active		{color:#CC0000;text-decoration:underline overline}
		A:hover			{color:#CC0000;text-decoration:underline overline}
		A:visited		{color:#CC0000;text-decoration:none}
</style>