CSS3 Box-shadow

Example A shows a shadow offset to the left and top by 5px:

#Example_A {
-moz-box-shadow: -5px -5px #888;
-webkit-box-shadow: -5px -5px #888;
box-shadow: -5px -5px #888;
}

Example B shows the same shadow with a blur distance of 5px:

#Example_B {
-moz-box-shadow: -5px -5px 5px #888;
-webkit-box-shadow: -5px -5px 5px #888;
box-shadow: -5px -5px 5px #888;
}

Example C shows the same shadow with a spread distance of 5px:

#Example_C {
-moz-box-shadow: -5px -5px 0 5px #888;
-webkit-box-shadow: -5px -5px 0 5px#888;
box-shadow: -5px -5px 0 5px #888;
}

Example D shows the same shadow with both a blur distance of 5px and a spread distance of 5px:

#Example_D {
-moz-box-shadow: -5px -5px 5px 5px #888;
-webkit-box-shadow: -5px -5px 5px 5px#888;
box-shadow: -5px -5px 5px 5px #888;
}

Example E shows a shadow with no offset and a blur distance of 5px:

#Example_E {
-moz-box-shadow: 0 0 5px #888;
-webkit-box-shadow: 0 0 5px#888;
box-shadow: 0 0 5px #888;
}

Example F shows a shadow with no offset and both a blur distance of 5px and a spread distance of 5px:

#Example_F {
-moz-box-shadow: 0 0 5px 5px #888;
-webkit-box-shadow: 0 0 5px 5px#888;
box-shadow: 0 0 5px 5px #888;
} 

Example G shows an inner shadow offset to the left and top by 5px:

#Example_G {
-moz-box-shadow: inset -5px -5px #888;
-webkit-box-shadow: inset -5px -5px #888;
box-shadow: inset -5px -5px #888;
}

Example H shows the same inner shadow with a blur distance of 5px:

#Example_H {
-moz-box-shadow: inset -5px -5px 5px #888;
-webkit-box-shadow: inset -5px -5px 5px #888;
box-shadow: inset -5px -5px 5px #888;
}

Example I shows the same inner shadow with a spread distance of 5px:

#Example_I {
-moz-box-shadow: inset -5px -5px 0 5px #888;
-webkit-box-shadow: inset -5px -5px 0 5px#888;
box-shadow: inset -5px -5px 0 5px #888;
}

Example J shows the same inner shadow with both a blur distance of 5px and a spread distance of 5px:

#Example_J {
-moz-box-shadow: inset -5px -5px 5px 5px #888;
-webkit-box-shadow: inset -5px -5px 5px 5px#888;
box-shadow: inset -5px -5px 5px 5px #888;
}

Example K shows an inner shadow with no offset and a blur distance of 5px:

#Example_K {
-moz-box-shadow: inset 0 0 5px #888;
-webkit-box-shadow: inset 0 0 5px#888;
box-shadow: inner 0 0 5px #888;
}

Example L shows an inner shadow with no offset and both a blur distance of 5px and a spread distance of 5px:

#Example_L {
-moz-box-shadow: inset 0 0 5px 5px #888;
-webkit-box-shadow: inset 0 0 5px 5px#888;
box-shadow: inset 0 0 5px 5px #888;
}

#Example_Q {
-moz-border-radius: 5px;
border-radius: 5px;
-moz-box-shadow: 5px 5px black;
-webkit-box-shadow: 5px 5px black;
box-shadow: 5px 5px black;
}

Example R shows the same shadow with a blur distance of 5px:

#Example_R {
-moz-border-radius: 5px;
border-radius: 5px;
-moz-box-shadow: 5px 5px 5px black;
-webkit-box-shadow: 5px 5px 5px black;
box-shadow: 5px 5px 5px black;
}

  

The table below provides an overview of current browser support.

Browser	Basic support		Multiple shadows	inset keyword	Spread radius
Internet Explorer	9.0	box-shadow	9.0	9.0	9.0
Firefox (Gecko)	4.0 (2.0)	box-shadow	4.0 (2.0)	4.0 (2.0)	4.0 (2.0)
	3.5 (1.9.1)	-moz-box-shadow	3.5 (1.9.1)	3.5 (1.9.1)	3.5 (1.9.1)
Opera	10.5	box-shadow	10.5	10.5	10.5
Safari/Chrome (WebKit)	3.0/1.0 (522)	-webkit-box-shadow	4.0/1.0 (528)	5.0/4.0 (533)	5.0/4.0 (533)