nav {
    position: fixed;
    width: 100vw;
    height: 10vh;
    margin: 0;
    padding: 0;

    background-color: black;
    border-bottom: 6px solid #404241;
}

nav ul {
    display: flex;
    justify-content: space-between;
    margin: 0;
    padding: 2em;

    color: white;
    list-style-type: none;
}

nav ul li {
    display: flex;
    justify-content: space-around;
} 

nav ul li li {
    margin: 0 2.5em 0 2.5em;
}

nav ul li li a {
    font-size: 1.2em;

    color: white;
    text-decoration: none;
}

nav ul li li a:hover {
    background-color: #404241;
}

nav form #recherche {
    height: 3vh;
    width: 20vw;

    color: white;
    background-color: #404241;

    border: 2px solid #404241;
}

.text-white {
    color: white;
}