ul, li {
    margin: 0;
    padding: 0;
}

#wrapper {
    position: relative;
}

.area {
    position: absolute;
    border: 2px solid black;
}

.area:hover {
    position: absolute;
    border: 2px solid red;
}

.menu {
    display: none;
    list-style: none;
    background-color: white;
    position: absolute;
    width: 160px;
}

.area:hover .menu {
    display: block;
}

#area1 {
    left: 50px;
    top: 20px;
    width: 80px;
    height: 40px;
    background-position: -92px -52px;
}

#area2 {
    right: 250px;
    bottom: 165px;
    width: 60px;
    height: 50px;
    background-position: -202px -82px;
}

#menu1 {
    top: 52px;
}

#menu2 {
    top: 52px;
}