.container{
    height: 400px;
    width: 400px;
    position: absolute;
}

.box1{
    height: 100px;
    width: 100px;
    background-color:green;
    position: relative;
}

.box2{
    height: 100px;
    width: 100px;
    background-color:blue;
    position: relative;
    left: 300px;
    bottom: 100px;
}

.box3{
    height: 100px;
    width: 100px;
    background-color:orange;
    position: relative;
    top: 100px;
}

.box4{
    height: 100px;
    width: 100px;
    background-color:yellow;
    position: relative;
    left: 300px;
}

.box5{
    height: 200px;
    width: 200px;
    background-color:red;
    position: relative;
    bottom: 300px;
    left: 100px;
}