contain-layout-baseline-002.html (1083B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS Containment Test: Layout containment supress baseline in flex items</title> 4 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com"> 5 <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout"> 6 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#valdef-align-items-baseline"> 7 <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> 8 <meta name=assert content="Flex items with layout containment are treated as having no baseline, for that reason their baseline is synthesized from the flex item's border box when they're baseline aligned."> 9 <style> 10 #flex { 11 display: inline-flex; 12 align-items: baseline; 13 background: red; 14 } 15 16 canvas { 17 background: green; 18 width: 50px; 19 height: 100px; 20 } 21 22 #item { 23 contain: layout; 24 color: transparent; 25 background: green; 26 width: 50px; 27 height: 100px; 28 } 29 </style> 30 <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> 31 <div id="flex"> 32 <canvas></canvas> 33 <div id="item">item</div> 34 </div>