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+<!DOCTYPE html>
+<html class=reftest-wait>
+<title>View transitions: element with child with transparent background</title>
+<link rel="help" href="https://github.com/WICG/view-transitions">
+<link rel="author" href="mailto:khushalsagar@chromium.org">
+<link rel="match" href="content-with-child-with-transparent-background-ref.html">
+
+<script src="/common/reftest-wait.js"></script>
+<style>
+.shared {
+ width: 50px;
+ height: 50px;
+ background: grey;
+ position: fixed;
+ top: 25px;
+ left: 25px;
+ view-transition-name: shared;
+}
+.target {
+ width: 100px;
+ height: 100px;
+ background: rgba(0,0,0,0);
+ will-change: opacity;
+ position: relative;
+ top: 50px;
+ left: 50px;
+}
+
+.embedded {
+ width: 25%;
+ height: 50%;
+ position: absolute;
+ top: 0px;
+ will-change: opacity;
+}
+
+#one{
+ left: 25%;
+ background: lightblue;
+}
+#two {
+ left: 50%;
+ background: lightgreen;
+}
+
+.hidden {
+ width: 10px;
+ height: 10px;
+ background: grey;
+ view-transition-name: hidden;
+}
+
+html::view-transition-group(hidden) { animation-duration: 300s; }
+html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; }
+
+html::view-transition-group(shared) { animation: unset; }
+html::view-transition-old(shared) { animation: unset; opacity: 1; }
+html::view-transition-new(shared) { animation: unset; opacity: 0; }
+
+</style>
+<div class="shared">
+ <div class="target">
+ <div class="embedded" id="one"></div>
+ <div class="embedded" id="two"></div>
+ </div>
+</div>
+<div id=hidden class=hidden></div>
+
+<script>
+failIfNot(document.startViewTransition, "Missing document.startViewTransition");
+
+async function runTest() {
+ document.startViewTransition().ready.then(requestAnimationFrame(takeScreenshot));
+}
+onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
+</script>
+