.center {
    background-color: black;
    position: absolute;
    top: 350px;
    left: 370px;
    transform: translate(-50%, -50%);
}

.middle {
    margin-top: -30px;
    margin-left: 200px;
}

.right {
    margin-top: -90px;
    margin-left: 450px;
}