one sided box shadow css

1.myDiv
2{
3  border: 1px solid #333;
4  width: 100px;
5  height: 100px;
6
7  /* offset-x | offset-y | blur-radius | spread-radius | color */
8  box-shadow: 10px 0 5px -2px #888;
9
10  /* 
11     Position the shadow on the side of the element
12     that you want it to be, then add a negative spread radius
13  */
14}