body{
    margin: 0px;
}
div{
    width: 150px;
    height: 150px;
    display: inline-flex;
    position: absolute;
}
.red{
    background-color: red;
    
}
.blue{
    background-color: blue;
    top: 597px;
    left: 0px;
}
.green{
    background-color: green;
    left: 1386px;
}
.orange{
    background-color: orange;
    top: 597px;
    left: 1386px;
}