third_party/blink/web_tests/css3/calc/viewport-unit.html - chromium/src - Git at Google

 <!doctype html>
 <style>
 body {
     margin: 0;
     height: 100vh;
 }
 div {
     width: calc(50vw + 10%);
     height: calc(50vh + 10%);
     background-color: green;
 }
 </style>
 <div>
 </div>
	<!doctype html>
	<style>
	body {
	margin: 0;
	height: 100vh;
	}
	div {
	width: calc(50vw + 10%);
	height: calc(50vh + 10%);
	background-color: green;
	}
	</style>
	<div>
	</div>