how to add a drop shadow to a div using css code example
Example: box-shadow
blockquote {
padding: 20px;
box-shadow:
inset 0 -3em 3em rgba(0,0,0,0.1),
0 0 0 2px rgb(255,255,255),
0.3em 0.3em 1em rgba(0,0,0,0.3);
}