如何使用CSS3创建3D文字

p.threeD
{
text-shadow:
-1px 1px 0 #ddd,
-2px 2px 0 #c8c8c8,
-3px 3px 0 #ccc,
-4px 4px 0 #b8b8b8,
-4px 4px 0 #bbb,
0px 1px 1px rgba(0,0,0,.4),
0px 2px 2px rgba(0,0,0,.3),
-1px 3px 3px rgba(0,0,0,.2),
-1px 5px 5px rgba(0,0,0,.1),
-2px 8px 8px rgba(0,0,0,.1),
-2px 13px 13px rgba(0,0,0,.1)
;
}