.Lager2 {
    position: absolute;
    width: 150px;
    color: white;
    background-color: blue;
    padding-bottom: 70px;
    z-index: 1;
    top: 30px;
    left: 40px;
}

.Lager3 {
    position: absolute;
    width: 150px;
    color: black;
    background-color: green;
    padding-bottom: 70px;
    z-index: 2;
    top: 60px;
    left: 100px;
}

.Lager1 {
    position: absolute;
    width: 150px;
    color: black;
    background-color: yellow;
    z-index: 3;
    top: 90px;
    left: 80px;
}