header {
    border-bottom: 1px solid #8af;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: center;
    justify-items: center;
}



#a-propos{
    background-color: #8af;
}

#employe-du-mois{
    background-color: #009B97;
}
.container{
    width: 80%;
    max-width: 960px;
    margin: auto;
}

footer{
    background-color: black;
    color: white;
    text-align: center;
}