<!DOCTYPE html>
<html>
<link href="support/flexbox.css" rel="stylesheet">
<link rel="author" title="Google Inc." href="http://www.google.com/">
<style>
.a {
flex: none;
width: 30px;
background: salmon;
}
</style>
<body>
<div class="flexbox justify-content-space-around">
<div class="a"></div>
</div>
<div class="flexbox">
<b>foo</b><b>bar</b>
</div>