#centered {
    position: absolute;
    transform: translate(-50%, -50%);
    width: 40%;
    transition: 1s;
}
#left {
    width: 6%;
}
#right {
    width: 6%;
}
#centered:hover {
    transform: translate(-50%, -50%) scale(1.1);
    transition: 1s;
    filter: drop-shadow(15px 10px 10px grey);
}
#left:hover {
    filter: drop-shadow(0px 0px 10px grey);
    transition: 0.5s;
}
#right:hover {
    filter: drop-shadow(0px 0px 10px grey);
    transition: 0.5s;
}