<!DOCTYPE html>
<meta charset="utf-8">
<title>filter + fixed pos clipping</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="help" href="https://drafts.fxtf.org/filter-effects/#FilterProperty">
<link rel="help" href="https://bugzil.la/1661147">
<link rel="match"  href="fixed-pos-filter-clip-002-ref.html">
<style>
  :root { overflow: hidden }
  div {
    width: calc(100vw + 100px);
    height: calc(100vh + 100px);
    background:green;
    filter: blur(10px);
    position: fixed;
    top: -50px;
    left: -50px;
  }
</style>
<div></div>
