CSS align-content property example at PNLdev

Run
<!DOCTYPE html>
<html>
<head>
<style> 
#main {
    width: 100px;
    height: 250px;
    border: 20px solid #000000;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
}

#main div {
    width: 100px;
    height: 50px;
}
</style>
</head>
<body>
    <h1>align-content property example</h1>
    <div id="main">
    <div style="background-color:red;"></div>
    <div style="background-color:white;"></div>
    <div style="background-color:green;"></div>
    </div>
    <p><b>Note:</b> Internet Explorer 10 and earlier versions do not support the align-content property.</p>
</body>
</html>