css/css-overflow/scrollable-overflow-input-001-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Overflow Reference: Test the text in an input is not clipped and reachable</title>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="stylesheet" href="/fonts/ahem.css">

<style>
input {
  box-sizing: border-box;
  width: 160px;
  padding-inline: 40px 60px;
  background: yellow;
  font: 20px/1 Ahem;
  border: 0;
}
</style>

<input value="XpX">