| <!DOCTYPE html> | 
 | <meta charset="utf-8"> | 
 | <title>CSS Grid Layout Test: Changes on Default-Alignment may affect grid item's width</title> | 
 | <link rel="author" title="Javier Fernandez Garcia-Boente" href="mailto:jfernandez@igalia.com"> | 
 | <link rel="help" href="https://drafts.csswg.org/css-grid-1/#row-align"> | 
 | <link rel="help" href="https://drafts.csswg.org/css-grid-1/#grid-item-sizing"> | 
 | <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-items"> | 
 | <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch"> | 
 | <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start"> | 
 | <meta name="assert" content="Changing the grid's justify-items value from 'start' to 'stretch' causes non-replaced items to grow."> | 
 | <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> | 
 | <style> | 
 | .grid { | 
 |   position: relative; | 
 |   display: inline-grid; | 
 |   grid-template-columns: 200px; | 
 |   grid-template-rows: 100px; | 
 |   font: 20px/1 Ahem; | 
 |   background: grey; | 
 |   justify-items: start; | 
 | } | 
 | #item { | 
 |   background: blue; | 
 |   justify-self: auto; | 
 | } | 
 | </style> | 
 | <script src="/resources/testharness.js"></script> | 
 | <script src="/resources/testharnessreport.js"></script> | 
 | <script src="/resources/check-layout-th.js"></script> | 
 | <script src="support/style-change.js"></script> | 
 | <script> | 
 | setup({ explicit_done: true }); | 
 | function runTest() { | 
 |   evaluateStyleChange(item, "before", "data-expected-width", 120); | 
 |   grid.style.justifyItems = "stretch"; | 
 |   evaluateStyleChange(item, "after", "data-expected-width", 200); | 
 |   done(); | 
 | } | 
 | </script> | 
 | <body onload="document.fonts.ready.then(() => { runTest(); })"> | 
 | <div class="grid" id="grid"> | 
 |   <div data-expected-height="100" id="item">XX X<br>X XXX<br>X<br>XX XXX</div> | 
 | </div> | 
 | </body> |