http://judopassion.com/wordpress/
I would move the leftSidebar, that now is under sidebar on the right, to the left of the content like in this image:

What css code I have to add?
Thanks in advance.
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To get it looking like the image on the right you’d have to re-order the markup on your template so that
<aside id="leftSidebar"></aside>came before<div id="content">in the flow of the document.You’ll also have to reduce the width of #content to 476px given all the existing padding etc.