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+<!DOCTYPE html>
+<html lang="en">
+<meta charset="utf-8">
+<title>Test container background searching with clipped display items</title>
+
+<style>
+
+div {
+ box-sizing: border-box;
+ width: 200px;
+ height: 200px;
+ margin-bottom: -200px;
+}
+
+#outer {
+ background-color: red;
+}
+
+#container {
+ will-change: opacity;
+}
+
+#backgroundCover {
+ background-color: lime;
+}
+
+#roundedClip {
+ overflow: hidden;
+ border-radius: 20px;
+}
+
+#clippedItem {
+ background-color: lime;
+}
+
+#separatePaintedLayer {
+ position: sticky;
+ border: 1px solid lime;
+}
+
+</style>
+
+<div id="outer">
+ <div id="container">
+ <div id="backgroundCover"></div>
+ <div id="roundedClip">
+ <div id="clippedItem"></div>
+ </div>
+ <div id="separatePaintedLayer"></div>
+ </div>
+</div>