<!DOCTYPE html>
<html>
<head>
<style>
div.a {
position: relative;
width: 400px;
height: 200px;
border: 3px solid red;
}
div.b {
position: absolute;
left: auto;
width: 100px;
height: 120px;
border: 3px solid blue;
}
div.c {
position: absolute;
left: 150px;
width: 200px;
height: 120px;
border: 3px solid green;
}
</style>
</head>
<body>
<h1>The left Property</h1>
<div class="a">This div element has position: relative;
<div class="b">This div element has position: absolute and left: auto.</div>
<div class="c">This div element has position: absolute and is placed 150 pixels to the right of the LEFT edge of the containing positioned element.</div>
</div>
</body>
</html>