reverse drop shaddow css 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;
div {
box-shadow: inset 0 0 10px #000000;
}
box-shadow: 0px 15px 10px -15px #111;