testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/backdrop-inherits-ref.html


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<!DOCTYPE html>
<style>
#backdrop {
  position: absolute;
  top: 100px;
  left: 100px;
  height: 100px;
  width: 100px;
  background: green;
}
</style>
<body>
Test that ::backdrop inherits from its originating element. The test passes if
there is a green box and no red.
<div id="backdrop"></div>
</body>