.keys {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.key{
    border: 4px solid black;
    border-radius: 1.5rem;
    margin: 2rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 4rem;
    height: 4rem;
    transition: all 0.09s;
}

.playing {
    transform: scale(1.1);
    background-color: aqua;
}

.imgW {
    width: 4rem;
    height: 4rem;
}

.imgW img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    
}