Use box-shadow in css3 to easily implement layer shadow.

Css3Box-shadowAttributes make it easy to implement Div shadow.

 
. Demo{Border:5px solid # ffffff;
Box-shadow:1px 1px 5px #333333;}
 

<DivClass= "Demo">Hooyes!</Div>
 

See the following results:

Hooyes!

Appendix:

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