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+
+<!DOCTYPE HTML>
+<html>
+<head>
+ <meta charset="utf-8">
+ <title>CSS Test: 'contain: layout' should force all overflow to be ink overflow.</title>
+ <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
+ <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-layout">
+ <link rel="match" href="contain-layout-overflow-001-ref.html">
+ <style>
+ .contain {
+ contain: layout;
+ }
+ .outer {
+ height: 100px;
+ width: 100px;
+ }
+ .auto {
+ overflow: auto;
+ }
+ .inner-sm {
+ height: 50px;
+ width: 50px;
+ background: lightblue;
+ }
+ .inner-lg {
+ height: 200px;
+ width: 200px;
+ background: lightblue;
+ }
+ .pass {
+ background: green;
+ }
+ .fail {
+ background: red;
+ }
+ .border {
+ border: 5px solid green;
+ }
+ </style>
+</head>
+<body>
+ <!--CSS Test: Elements with contain:layout that do not produce scrollable overflow should paint as if containment were not applied. -->
+ <div class="outer">
+ <div class="inner-sm contain"></div>
+ </div>
+ <br>
+
+ <!--CSS Test: Layout-contained elements that overflow their container and have children who overflow should produce the same amount of scrollable overflow as if there were no children. -->
+ <div class="outer auto">
+ <div class="inner-lg contain">
+ <div class="inner-lg pass"></div>
+ <div class="inner-lg fail"></div>
+ </div>
+ </div>
+ <br>
+
+ <!--CSS Test: Layout-contained elements that do not overflow their container, but have children who overflow, should not allow their children to affect the scrollable overflow regions of their parent. -->
+ <div class="outer auto">
+ <div class="inner-sm contain border">
+ <div class="inner-lg">
+ </div>
+ </div>
+ </div>
+</body>
+</html>