css bottom shadow

div {
     box-shadow: inset 0 0 10px #000000;
}

.box-bottom-shadow {
	-webkit-box-shadow: 0 8px 6px -6px black;
	   -moz-box-shadow: 0 8px 6px -6px black;
	        box-shadow: 0 8px 6px -6px black;
}

/* CSS box shadow look like paper lift up*/
/* provide shadow to all four corners */
/* source - W3Schools.com */
 box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);

box-shadow: 0px 15px 10px -15px #111;  

box-shadow: 0 0 10px;

.shadow {
  -moz-box-shadow:    3px 3px 5px 6px #ccc;
  -webkit-box-shadow: 3px 3px 5px 6px #ccc;
  box-shadow:         3px 3px 5px 6px #ccc;
}