article{
    text-align: center;
}

.logo{
    width: 200px;
}

.raccolta-foto{
    width: 100%;
}

.riga{
    display: flex;
    justify-content: center;
}

.riga div{
    width: 33%;
}

article .raccolta-foto img{
    width: 80%;
    padding: 20px;
    border-radius: 50px;
}

@media(max-width: 878px){
    .raccolta-foto{
        display: block;
    }
    
    .riga{
        display: flex;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .riga div{
        width: 60%;
    }
}