#menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 7vh;
    background-color: darkslategrey;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 10;
}

.liens_dans_le_menu {
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: white;
    background-color: darkslategray;
}

.liens_dans_le_menu:hover {
    color: black;
    background-color: grey;
}

.dropdown {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    width: 100%;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 7vh;
    left: 0;
    background-color: darkslategrey;
    width: 100%;
    height: 6vh;
    z-index: 10;
}

.dropdown:hover .dropdown-content {
    display: block;
}

#reseaux_fixe {
    position: fixed;
    top: 10vh;
    right: 0.01vw;
    z-index: 10;
}

.logos_réseaux_sociaux_dans_menu {
    height: 7vh;
    margin-bottom: 3vh;
}