File: scroll-snap-root-002.html

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<!DOCTYPE html>
<html>
<title>scroll-padding does not propagate body to viewport</title>
<link rel='author' title='Elika J. Etemad' href='http://fantasai.inkedblade.net/contact'>
<link rel='help' href='https://drafts.csswg.org/css-scroll-snap-1/#scroll-snap-type'>
<link rel='help' href='https://drafts.csswg.org/css-scroll-snap-1/#scroll-padding'>
<link rel='match' href='scroll-snap-root-002-ref.html'>
<meta name='assert'
      content="Test passes if scroll-snap-padding on body is not applied to viewport.">

<style type='text/css'>
html, body { margin: 0; padding: 0; }

:root {
  scroll-snap-type: block mandatory;
  overflow: hidden; /* hide scrollbars for reftest analysis */
}

body {
  scroll-padding: 25%;
}

#fail {
  height: 120vh;
  font: bold 2em;
  background: red;
}

#target {
  margin: 120vh 0;
  scroll-snap-align: end;
  border-bottom: solid orange thick;
}
</style>

<div id="fail">FAIL</div>

<div id="target">
  <div>Test passes if the orange stripe below is exactly at the bottom of the viewport.</div>
</div>

<script>
  document.getElementById('target').scrollIntoView();
</script>