Codecademy Sample Solution: Codeyear Containing blocks must be positioned

/* sample solution to style.css */

/* a border for each div so you can see what's going on */

#parent{
    border:1px solid black;
    height: 100px;
    width: 100px;
    margin-left: 100px;
    position: static;
}

#child{
    position:absolute;
     left:20px;
}