<!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> <title>CSS Test: Tab width</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" /> <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2" /> <link rel="match" href="white-space-processing-042-ref.xht" /> <meta name="flags" content="ahem" /> <meta name="assert" content="Tabs (when rendered) render spaces at 8 character stops. That is, within a line, split the line into 8 character lengths. The tab would continue until the end of the next length. So if there are already 3 characters in a line, the tab would be rendered as 5 spaces." /> <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> <style type="text/css"> div { font: 16px/1em Ahem; } #div1 { white-space: pre; } #div2, #div3 { background: black; display: inline-block; height: 1em; width: 2em; } #div3 { margin-left: 6em; } </style> </head> <body> <p>Test passes if there are only two boxes below.</p> <div> <div id="div1">XX	XX</div> <div id="div2"></div><div id="div3"></div> </div> </body> </html>