#window-1 {
    top: 250px;
    left: 150px;
    width: 900px;
    height: 300px;
}

#window-2 {
    top: 300px;
    left: 200px;
    width: 930px;
    height: 400px;
}

#window-3 {
    top: 350px;
    left: 250px;
    width: 920px;
    height: 250px;
}