CSS Border Shadow

<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);/*ie*/
-moz-box-shadow:2px 2px 10px #909090;/*firefox*/
-webkit-box-shadow:2px 2px 10px #909090;/*safari or chrome*/
box-shadow:2px 2px 10px #909090;/*opera or ie9*/
}
</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
-moz-box-shadow:2px 3px 10px #EBBD2C; -webkit-box-shadow:2px 3px 10px #EBBD2C; box-shadow:2px 3px 10px #EBBD2C

-webkit-box-shadow:0 0 3px #ffffff inset, 0 1px 1px rgba (0,0,0,0.1); -moz-box-shadow:0 0 3px #ffffff inset, 0 1px 1px rgba (0,0,0,0.1); box-shadow:0 0 3px #ffffff inset, 0 1px 1px rgba (0,0,0,0.1);

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

. shortcodestyle{margin:0px auto;-moz-box-shadow:0px 1px 2px rgba (0, 0, 0, 0.2)-webkit-box-shadow:0px 1px 2px rgba (0, 0, 0, 0.2); box-shadow:0px 1px 2px rgba (0, 0, 0, 0.2); border-radius:5px;-webkit-border-radius:5px;-moz-border-radius:5px;- khtml-border-radius:5px;}

Fillet Border Shadow:
-webkit-border-radius:. 5em; -moz-border-radius:. 5em; Border-radius:. 5em; -webkit-box-shadow:0 1px 2px Rgba (0,0,0,.2); -moz-box-shadow:0 1px 2px Rgba (0,0,0,.2); box-shadow:0 1px 2px Rgba (0,0,0,.2);

-webkit is used in the Chrome browser, generally refers to the browser is the WebKit core
0 0 5px Rgba (40, 173, 243, 0.5);

Four parameters of Box-shadow

X-offset X-axis offset 0
Y-offset y-axis offset 0
Blur blur value 5px
Color of Shadow Shadow color
Rgba (40, 173, 243, 0.5);
RGB is color, a refers to transparency
Red 40, green 173, Blue 243, transparency 50%