#box_a {
-moz-box-shadow: 8px 8px 2px rgba(0, 120, 155, 0.5);
-webkit-box-shadow: 8px 8px 2px rgba(0, 120, 155, 0.5);
}
#box_b {
-moz-box-shadow: 0 0 4px 5px rgba(0, 120, 155, 0.5);
-webkit-box-shadow: 0 0 8px rgba(0, 120, 155, 0.5);
}
Multiple shadows can be defined by separating each with a comma.
#box_c {
-moz-box-shadow: 0 0 2px 1px rgba(255,255,255,0.5),
0 0 4px 1px rgba(0,0,0,1),
3px 5px 3px 4px rgba(0, 120, 155, 0.5),
-3px -5px 3px 4px rgba(0, 120, 155, 0.5);
-webkit-box-shadow: 0 0 2px rgba(255,255,255,0.5),
0 0 4px rgba(0,0,0,0.7),
3px 5px 3px rgba(0, 120, 155, 0.55),
-3px -5px 3px rgba(0, 120, 155, 0.55);
}