.containerContato{
    width: 60%;
    height: auto;
    margin-left: 20%;
}
.logoContato{
    width: 100%;
    height: auto;
}

.logoContato img{
    width: 100%;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.3);
    transition: 0.3s;
}