Google knows the answer to that:
http://www.google.com/search?hl=en&q=CSS+-+div+align

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Read this if you want to know how to get a correct reply for your question:
http://www.catb.org/~esr/faqs/smart-questions.html
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Technical Editor for:
Beginning Visual C# 2008
Professional Search Engine Optimization with ASP.NET
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Wrox Blox: Introduction to Google Gears
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