Any way to use CSS to suppress empty container elements?

Is there any way to use CSS / HTML to suppress empty container elements? For example if I have:
<p>Title</p>
<p>Author</p>
<p></p>
<p>Length</p>

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where the the third paragraph would normally contain a description, is there any way to hide / suppress / not display the extra white space padding the empty third paragraph will introduce?

Thanks in advance.
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ZekeLAAsked:
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stilliardCommented:
Yep, there is a CSS3 pseudo selector for empty elements, so you can use this to hide the empty elements.

e.g.
<style>
p:empty { display: none; }
</style>

the problem is its browser compatibility, as shown on this first refference link.

References:
http://reference.sitepoint.com/css/pseudoclass-empty
http://www.w3.org/TR/css3-selectors/#empty-pseudo

You could create a simple bit of javascript to fix this though in unsupported browsers.
Found an example of this here: http://www.webmasterworld.com/css/3944510.htm
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ZekeLAAuthor Commented:
Since this is for a mobile browser, I don't want to worry about whether or not it's supported. But thank you for the definitive answer.
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