With simple CSS3 code, you can create shadow effect.

Box shadow (IE9+,Firefox25+,Chrome31+,Safari7+,Opera18+,iOS4+,Android4+)

Syntax box-shadow: h-shadow v-shadow blur color; In the example below, h-shadow, horizontal shadow is 20px; v-shadow, vertical shadow is 10px; blur is 5px; the shadow colour is green.

Text shadow (IE10+,Firefox25+,Chrome31+,Safari7+,Opera18+,iOS3.2+,Android2.1+)

Syntax text-shadow: h-shadow v-shadow blur color;