| background-image: linear-gradient(to top, blue, white); |
| background-attachment: fixed; |
| background-color: silver; |
| -webkit-transform: translateZ(0); |
| testRunner.waitUntilDone(); |
| function documentLoaded() |
| window.setTimeout(doTest, 0); |
| document.body.classList.add('fixed'); |
| document.getElementById('layers').textContent = window.internals.layerTreeAsText(document); |
| window.addEventListener('load', documentLoaded, false); |
| <p>Toggling to a fixed background on the body should make a layer for the background.</p> |
| <div class="composited box"> |