Centering Menu Bar

I am trying to center the menu with no luck.  It's staying to the left.  How can I center this?
http://www.davidschure.com/index.php
nav-styles.css
style.css
DS928Asked:
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GaryCommented:
To center easily you need to give your menu a defined width then you can use margin:0 auto

e.g. in #cssmenu{...} add

    margin: 0 auto;
    width: 850px // replace your width:auto
GaryCommented:
820px covers it.

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DS928Author Commented:
Perfect!  Thank you!
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