<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
div{
width: 300px;
padding: 20px 10px;
margin-bottom: 10px;
text-align: center;
border: 1px solid #8c8c8c;
}
</style>
</head>
<body>
<h1>CSS box-shadow property</h1>
<div>
My Container
</div>
<button onclick="myFunction()">Click Me</button>
<script>
var x = document.getElementsByTagName("div")[0];
function myFunction(){
x.style.boxShadow = "0 8px 16px 0 rgba(0,0,0,0.4)";
}
</script>
<p><strong>Note</strong>: Click on the button to apply css 'box-shadow' property.</p> </body>
</html>