<!DOCTYPE html>
<html>
<head>
<style>
#main {
width: 140px;
height: 300px;
border: 1px solid #000000;
display: -webkit-flex; /* Safari */
-webkit-flex-wrap: wrap; /* Safari 6.1+ */
-webkit-align-content: space-around; /* Safari 7.0 */
display: flex;
flex-wrap: wrap;
align-content: space-around;
}
#main div {
width: 70px;
height: 70px;
}
</style>
</head>
<body>
<div id="main">
<div style="background-color:coral;"></div>
<div style="background-color:lightblue;"></div>
<div style="background-color:khaki;"></div>
<div style="background-color:pink;"></div>
<div style="background-color:lightgrey;"></div>
<div style="background-color:lightgreen;"></div>
</div>
<p>Click the "Try it" button to set the value of the alignContent property to "space-between"</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
document.getElementById("main").style.WebkitAlignContent = "space-between"; // Code for Safari 7.0+
document.getElementById("main").style.alignContent = "space-between";
}
</script>
<p><b>Note:</b> Internet Explorer 10 and earlier versions do not support the alignContent property.</p>
<p><b>Note:</b> Safari 7.0 (and newer) supports an alternative, the WebkitAlignContent property.</p>
</body>
</html>