| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSS Test: 'contain: layout' should not create a stacking context when no principle box is generated.</title> |
| <link rel="author" title="Yusuf Sermet" href="mailto:ysermet@mozilla.com"> |
| <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu"> |
| <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-layout"> |
| <link rel="match" href="contain-paint-ignored-cases-no-principal-box-001-ref.html"> |
| <style> |
| div { |
| position: relative; |
| width: 100px; |
| } |
| #div1, |
| #div3 { |
| background-color: #cfc; |
| height: 100px; |
| } |
| #div1 { |
| z-index: 5; |
| } |
| #div2 { |
| display: contents; |
| contain: layout; |
| background-color: #fdd; |
| height: 100px; |
| top: -20px; |
| } |
| #div2_1 { |
| background-color: #ffc; |
| z-index: 6; |
| top: -10px; |
| height: 100px; |
| } |
| #div2_2 { |
| z-index: 3; |
| position: absolute; |
| top: -15px; |
| width: 40px; |
| height: 300px; |
| background-color: #ddf; |
| } |
| #div3 { |
| z-index: 2; |
| top: -50px; |
| } |
| </style> |
| </head> |
| <body> |
| <div id="div1"></div> |
| |
| <div id="div2"> |
| <div id="div2_1"></div> |
| |
| <div id="div2_2"></div> |
| </div> |
| |
| <div id="div3"></div> |
| </body> |
| </html> |
