riverlau的专栏

http://www.barelyfitz.com/screencast/html-training/css/positioning/ http://coding.smashingmagazine.com/2009/04/08/from-table-hell-to-div-hell/ 1. position:static (Default) /*<![CDATA

http://www.ahuka.com/?page_id=119 A block-level element is an HTML tag (such as p, table, h1 or div) that generates a break line. A block-level element has five spacing properties: height, width,