body {
    padding: 0;
    margin: 0;
    background: #b9ffff;
}

.cent {
    position: absolute;
    padding: 10px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.imgf {
    width: 300px;
}

.center {
    text-align: center;
}