w3 shadow box code example
Example 1: css shadow
.yourElement {
/* offset-x | offset-y | blur-radius | spread-radius | color */
-webkit-box-shadow: -2px -1px 15px 7px rgba(0,0,0,0.5);
-moz-box-shadow: -3px -2px 30px 14px rgba(0,0,0,0.425);
box-shadow: -4px -3px 45px 21px rgba(0,0,0,0.35);
}
Example 2: image shadow css
<!Doctype>
<html>
<head>
<style>
.img {
width: 400px;
height: 200px;
border:2px solid #fff;
background: url(img/tiger.png) no-repeat;
box-shadow: 10px 10px 5px #ccc;
-moz-box-shadow: 10px 10px 5px #ccc;
-webkit-box-shadow: 10px 10px 5px #ccc;
-khtml-box-shadow: 10px 10px 5px #ccc;
}
</style>
</head>
<body>
<div class="img"></div>
</body>
</html>