CSS add shadow effect to Div

Directly on the code:

<style type= "Text/css" >
. mydiv{
width:250px;

Height:auto;

border: #909090 1px solid;

Background: #fff;

Color: #333;

Filter:progid:DXImageTransform.Microsoft.Shadow (color= #909090, direction=120,strength=4);

-moz-box-shadow:2px 2px 10px #909090;

-webkit-box-shadow:2px 2px 10px #909090;

box-shadow:2px 2px 10px #909090;
}
</style>

For IE:
Direction shadow angle 0° to clockwise from bottom to top
Strength Shadow segment length

-moz-box-shadow:2px 2px 10px #909090;
-webkit-box-shadow:2px 2px 10px #909090;
box-shadow:2px 2px 10px #909090;

The first parameter is the length of the x-axis shadow segment
The second parameter is the length of the y-axis shadow segment
The third parameter is the length of the shaded section toward the perimeter
The fourth parameter is the color of the shadow segment

div Code:
<div class= "Mydiv" >
123123213123
</div>

The effect is as follows:

From: http://www.cnblogs.com/si-shaohua/p/4279220.html

CSS add shadow effect to Div