<!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 charset="utf-8" /> <title>CSS Basic User Interface Reference File</title> <link href="http://www.intel.com/" rel="author" title="Intel" /> <style> #parent { border: 4px dotted blue; height: 150px; margin: 26px; width: 150px; } #child { border: 4px dotted green; height: 110px; margin: 16px; width: 110px; } </style> </head><body> <p>Test passes if there is a blank square with <strong>a green dotted</strong> border centered inside a blue dotted border.</p> <div id="parent"> <div id="child"></div> </div> </body></html>