<!DOCTYPE html>
<html>
<head>
<style>
#main {
width: 400px;
height: 150px;
border: 1px solid #000000;
display: -webkit-flex; /* Safari */
-webkit-justify-content: space-around; /* Safari 6.1+ */
display: flex;
justify-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>
<p>Click the "Try it" button to set the value of the justifyContent property to "space-between"</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
document.getElementById("main").style.WebkitJustifyContent = "space-between"; // Code for Safari 6.1+
document.getElementById("main").style.justifyContent = "space-between";
}
</script>
<p><b>Note:</b> Internet Explorer 10 and earlier versions do not support the justifyContent property.</p>
<p><b>Note:</b> Safari 6.1 (and newer) supports an alternative, the WebkitJustifyContent property.</p>
</body>
</html>