css/css-flexbox/order-painting.html

<!DOCTYPE html>
<html>
<title>CSS Flexbox: painting order.</title>
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#order-property">
<link rel="match" href="reference/order-painting-ref.html">
<meta name="assert" content="This test ensures that the 'order' style properly changes the paint order of flex items."/>
<body>
<p>This test passes if there is no red showing.</p>

<div style="display: flex; width: 100px;">
    <div style="order: 2; background-color: green; width: 100px; height: 100px; margin-left: -50px;"></div>
    <div style="order: 1; background-color: red;   width: 50px;  height: 100px;"></div>
</div>
</body>
</html>