|  | <!DOCTYPE html> | 
|  | <html class=reftest-wait> | 
|  | <title>View transitions: shared element with overflow</title> | 
|  | <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/"> | 
|  | <link rel="author" href="mailto:vmpstr@chromium.org"> | 
|  | <link rel="match" href="nothing-captured-ref.html"> | 
|  | <script src="/common/reftest-wait.js"></script> | 
|  | <script src="/dom/events/scrolling/scroll_support.js"></script> | 
|  | <style> | 
|  | :root { view-transition-name: none; } | 
|  | .target { | 
|  | width: 100px; | 
|  | height: 100px; | 
|  | contain: paint; | 
|  | background: blue; | 
|  | overflow-clip-margin: 50px; | 
|  | } | 
|  | .child { | 
|  | width: 200px; | 
|  | height: 200px; | 
|  | position: relative; | 
|  | top: 50px; | 
|  | left: 50px; | 
|  | background: green; | 
|  | } | 
|  |  | 
|  | /* None of these should apply, so make everything red if it does */ | 
|  | html::view-transition-group(*) { animation-duration: 300s; } | 
|  | html::view-transition-image-pair(*) { visibility: hidden } | 
|  | html::view-transition { background: red; } | 
|  | </style> | 
|  |  | 
|  | This text should appear unmodified, since the root isn't captured. | 
|  | <div class=target> | 
|  | <div class=child> | 
|  | </div> | 
|  | </div> | 
|  |  | 
|  | <script> | 
|  | failIfNot(document.startViewTransition, "Missing document.startViewTransition"); | 
|  |  | 
|  | async function runTest() { | 
|  | await document.startViewTransition().ready; | 
|  | requestAnimationFrame(takeScreenshot); | 
|  | } | 
|  |  | 
|  | onload = async () => { | 
|  | await waitForCompositorReady(); | 
|  | runTest(); | 
|  | } | 
|  |  | 
|  | </script> | 
|  |  |