contain-body-w-m-003.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-contain/contain-body-w-m-003.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html lang=en>

  <meta charset=utf-8>

  <title>CSS-contain test: size containment on body prevents writing-mode propagation</title>

  <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">

  <meta name=flags content="">

  <meta name=assert content="size containment on body prevents writing-mode propagation">

  <link rel="match" href="reference/contain-body-w-m-001-ref.html">

  <link rel=help href="https://drafts.csswg.org/css-contain-1/#contain-property">

<style>

html::before {

    content: "";

    width: 100px;

    height: 100px;

    background: orange;

    display: block;

p { writing-mode: horizontal-tb; margin: 0;}

body {

    margin: 0;

    width: 200px;

    height: 200px;

    writing-mode: vertical-rl;

    contain: size;

</style>

<p>Test passes if the orange square is in the upper-left corner.