You can center the iframe easily enough. But you cannot center the content of the iframe within the iframe. But you may not need to. If not, here's what I suggest:
Code:
For Facebook members:
<iframe src="http://www.facebook.com/plugins/like.php?href=http%3A%2F%2Fwww.frankfordfriendsschool.org&send=false&layout=button_count&width=145&show_faces=true&action=like&colorscheme=light&font&height=21" scrolling="no" frameborder="0" style="display:block; margin: 0 auto; border:none; overflow:hidden; width:150px; height:21px;" allowTransparency="true"></iframe>
Note: For IE - Requires standards invoking DOCTYPE.
But HTML and css depend upon the other code for the page. So, if you want more help:
Please post a link to a page on your site that contains the problematic code so we can check it out.
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