chromium/src/third_party/blink/web_tests/fast/forms/button/button-set-display-flex-justifyContent-center.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <style>
 button {
     border: 0;
     padding: 0;
     background-color: white;
     font-family: sans-serif;
     font-size: initial;
     width: 300px;
     display: flex;
     justify-content: center;
     color: black;
 }
 </style>
 <h4>Test for crbug.com/344733: Centering text inside a button set to display flex and justify-content: center is impossible</h4>
 <button>text with justify-content: center</button>
	<!DOCTYPE html>
	<style>
	button {
	border: 0;
	padding: 0;
	background-color: white;
	font-family: sans-serif;
	font-size: initial;
	width: 300px;
	display: flex;
	justify-content: center;
	color: black;
	}
	</style>
	<h4>Test for crbug.com/344733: Centering text inside a button set to display flex and justify-content: center is impossible</h4>
	<button>text with justify-content: center</button>