shadow in two sides only not four code example
Example: box shador of one border css
.myDiv
{
border: 1px solid #333;
width: 100px;
height: 100px;
box-shadow: 10px -2px 5px 0px #888;
}
.myDiv
{
border: 1px solid #333;
width: 100px;
height: 100px;
box-shadow: 10px -2px 5px 0px #888;
}