File: flexbox_justifycontent-center-overflow.html

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<!DOCTYPE html>
<title>flexbox | justify-content: center / overflow</title>
<link rel="author" href="http://opera.com" title="Opera Software">
<link rel="author" href="mailto:dgrogan@chromium.org" title="David Grogan">
<link rel="help"
	href="http://www.w3.org/TR/css-flexbox-1/#justify-content-property">
<meta name="assert" content="Items that overflow a singleline justify-content:center flexbox container are positioned correctly.">

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>

Blue is the flexbox. Orange are items that overflow it.

<style>
.flexbox {
  background: blue;
  margin-left: 50px;
  height: 150px;
  width: 50px;
  display: flex;
  justify-content: center;
  position: relative;
}
span {
  background: orange;
  margin: 10px;
  flex: 1 0 40px;
}
</style>

<div class=flexbox>
  <span data-expected-width=40 data-offset-x=-55></span>
  <span data-expected-width=40 data-offset-x=5></span>
  <span data-expected-width=40 data-offset-x=65></span>
</div>

<script>
  checkLayout('span');
</script>