<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>CSS Test: Floats and box edges</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-09-26 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#block-formatting" /> <link rel="match" href="reference/block-formatting-contexts-005-ref.xht" /> <meta name="flags" content="" /> <meta name="assert" content="When there is no padding or margins on a floated child element the left outer edge of the child box will touch the left edge of the containing block." /> <style type="text/css"> div { height: 1in; } #div1 { border-left: solid 5px blue; } div div { border-left: solid 5px orange; float: left; } </style> </head> <body> <p>Test passes if there is <strong>no space between</strong> the blue and orange lines.</p> <div id="div1"> <div></div> </div> </body> </html>