| <!DOCTYPE html> | 
 | <meta charset=utf-8> | 
 | <title>CSS Containment Test: Layout containment on table-row-group</title> | 
 | <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com"> | 
 | <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout"> | 
 | <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> | 
 | <meta name=flags content="ahem"> | 
 | <meta name=assert content="Layout containment doesn't apply to table-row-group elements."> | 
 |  | 
 | <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> | 
 | <style> | 
 | #wrapper { | 
 |   position: relative; | 
 |   background: red; | 
 |   width: 100px; | 
 |   height: 100px; | 
 |   padding: 25px; | 
 |   box-sizing: border-box; | 
 | } | 
 | #table-row-group { | 
 |   display: table-row-group; | 
 |   contain: layout; | 
 | } | 
 | #abspos { | 
 |   position: absolute; | 
 |   font: 100px/1 Ahem; | 
 |   color: green; | 
 |   top: 0; | 
 |   left: 0; | 
 | } | 
 | </style> | 
 |  | 
 | <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> | 
 | <div id="wrapper"> | 
 |   <div id="table-row-group"> | 
 |     <div id="abspos">X</div> | 
 |   </div> | 
 | </div> |