<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='utf-8'>
<style>
	body {margin: 0; padding: 10px; background-color: #ffffff}
	h1 {margin: 5px 0 0 0; font-size: 18px; font-weight: normal; text-align: center}
	header {margin: -24px 0 5px 0; line-height: 24px}
	button {font: 12px sans-serif; cursor: pointer}
	p {margin: 5px 0 5px 0}
	a {color: #0366d6}
	#hl {position: absolute; display: none; overflow: hidden; white-space: nowrap; pointer-events: none; background-color: #ffffe0; outline: 1px solid #ffc00