| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .container { |
| position: absolute; |
| width: 300px; |
| height: 300px; |
| border: 1px solid black; |
| } |
| |
| .box { |
| position: absolute; |
| width: 200px; |
| height: 200px; |
| } |
| |
| .bottom { |
| left: 0px; |
| top: 0px; |
| background-color: orange; |
| } |
| |
| .top { |
| left: 100px; |
| top: 100px; |
| background-color: green; |
| animation: fade-out 30ms forwards; |
| } |
| |
| @keyframes fade-out { |
| 0% { |
| opacity: 1; |
| } |
| 100% { |
| z-index: -1; |
| opacity: 0.8; |
| } |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| window.addEventListener('load', () => { |
| document.getElementById('tester').addEventListener('animationend', () => { |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }, false); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="container"> |
| <div class="bottom box"></div> |
| <div id="tester" class="top box"></div> |
| </div> |
| </body> |
| </html> |
