#kutu1
{
    background: red;
    position: absolute;
    top: 50px;
    left: 20px;
    width: 200px;
    height: 200px;
}

#kutu2
{
    background: yellow;
    position: absolute;
    right: 20px;
    bottom: 50px;
    width: 200px;
    height: 200px;
}

#kutu3
{
    background: aqua;
    position: absolute;
    left: 250px;
    width: 200px;
    top: 20px;
    bottom: 20px;
}