#Layer_2{
    width: 50px;
    height: 50px;
}
#Layer_3{
    width: 100px;
    height: 100px;
}
#Layer_4{
    width: 150px;
    height: 150px;
}
.animate {
    animation-name: animation;
    animation-duration: 2s;
}

@keyframes animation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}