<!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: Outline-width - outline the box with a +5px solid outline</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/ui.html#propdef-outline-width" /> <link rel="help" href="http://www.w3.org/TR/CSS21/ui.html#dynamic-outlines" /> <meta name="flags" content="" /> <meta name="assert" content="The 'outline-width' property supports a nominal length value in pixels that has a plus sign before it." /> <style type="text/css"> #reference { border: solid green 5px; margin-top: 10px; width: 300px; } #test { margin: 5px 0 0 5px; outline: solid green; outline-width: +5px; width: 300px; } </style> </head> <body> <p>Test passes if the boxes below are the same size.</p> <div id="test">Filler Text</div> <div id="reference">Filler Text</div> </body> </html>