<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
div{
width: 300px;
height: 100px;
padding: 25px;
text-align: center;
border: 1px solid #8c8c8c;
}
#point{
box-sizing: content-box;
}
#point1{
box-sizing: border-box;
}
</style>
</head>
<body>
<h1>CSS box-sizing property</h1>
<h2>box-sizing: content-box;</h2>
<div id="point">
My Container
</div>
<h2>box-sizing: border-box;</h2>
<div id="point1">
My Container
</div>
</body>
</html>