<!DOCTYPE html>
<style>
  html {
    display: grid;
    position: absolute;
    grid: 100px 400px / 100px 400px;
  }
  body {
    position: absolute;
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    width: 100%;
  }
</style>
This text and input should appear at 100x100 position.
Like if they have a left and top margin of 100px.
<input autofocus>
<script>
  if (window.testRunner)
    window.testRunner.waitUntilDone();
  // "autofocus" is needed to force the simplified layout call.
  // We are removing the focus here to match the expected file and avoid issues with the caret.
  // We need a small timeout so "blur()" is run after "autofocus".
  setTimeout(function() {
    document.querySelector("input").blur();
    if (window.testRunner)
      window.testRunner.notifyDone();
  }, 100);
</script>