make shadow go only down in css code example
Example 1: box shadow bottom only
box-shadow: 0 4px 2px -2px gray;
Example 2: css bottom shadow
box-shadow: 0px 15px 10px -15px #111;
box-shadow: 0 4px 2px -2px gray;
box-shadow: 0px 15px 10px -15px #111;