css div background shadow bottom code example

Example 1: inner box shadow

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

Example 2: css bottom shadow

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

Example 3: does boxshadow work

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