<!DOCTYPE html>
<html>
<head>
<style>
#div1 {
position: relative;
margin: auto;
height: 150px;
width: 250px;
padding: 10px;
border: 1px solid black;
-webkit-perspective: 200px; /* Chrome, Safari, Opera */
perspective: 200px;
}
#div2 {
padding: 50px;
position: absolute;
border: 1px solid black;
background-color: red;
-webkit-transform: rotateX(45deg); /* Chrome, Safari, Opera */
transform: rotateX(45deg);
}
</style>
</head>
<body>
<p>Click the "Try it" button to change the perspecive property of the DIV1 element:</p>
<button onclick="myFunction()">Try it</button>
<div id="div1">DIV1
<div id="div2">Think that you are a bird, looking down on a wall. Then click the button to see what happens when you change the perspective!</div>
</div>
<script>
function myFunction() {
document.getElementById("div1").style.WebkitPerspective = "100px"; // Chrome, Safari and Opera
document.getElementById("div1").style.perspective = "100px";
}
</script>
</body>
</html>