.menu-ab,
.menu-clock,
.menu-wheel,
.menu-bell,
.menu-money {
    border: 4px solid transparent;
    border-radius: 50%;
    width: 8rem;
    height: 8rem;
}

.menu-ab:hover,
.menu-clock:hover,
.menu-wheel:hover,
.menu-bell:hover,
.menu-money {
    transition: .5s;
}
.menu-ab:hover {
    content: url(../img/ab_c.jpg);
}
.menu-clock:hover {
    content: url(../img/clock_c.jpg);
}
.menu-wheel:hover {
    content: url(../img/steeringwheel_c.jpg);
}
.menu-bell:hover {
    content: url(../img/bell_c.jpg);
}
.menu-money:hover {
    content: url(../img/money_c.jpg);
}
.menu-link:hover {
    border: 4px solid lightblue;
    cursor: pointer;
}
.menu-active {
    border: 4px solid white;
}
.picto {
    margin: 0 auto;
}

@media (max-width: 800px) {

}
@media (min-width: 480px) {

}
@media (min-width: 768px) {

}