<html>
<head>
<style>
div {
width: 100px;
height: 100px;
background-color: lightgreen;
border: 2px solid black;
padding: 10px;
}
#myDiv1 {
transform: rotateX(40deg);
}
#myDiv2 {
transform: rotateX(60deg);
}
#myDiv3 {
transform: rotateX(80deg);
}
</style>
</head>
<body>
<h1>The rotateX() function</h1>
<div>
This a normal div element.
</div>
<div id="myDiv1">
Div1.
</div>
<div id="myDiv2">
Div2.
</div>
<div id="myDiv3">
Div3.
</div>
</body>
</html>