make a button have a shadow inside css code example
Example 1: css bottom shadow
box-shadow: 0px 15px 10px -15px #111;
Example 2: 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;
}