#banniere-covid19 {
    background-color: darkred;
    color: white;
    padding: 15px;
    text-align: center;
    /* position: absolute;
    top: 30px;
    left: 60%;
    width: 35%; */
    border: 1px solid white;
    border-radius: 6px;
    box-shadow: 5px 5px 5px rgba(0,0,0,.5);
}

.div-btn-covid19 {
    width: 100%;
    text-align: center;
    margin-top: 15px;
}

#banniere-covid19 a {
    background-color: white;
    color: darkred;
    border-radius: 6px;
    margin-left: 15px;
    padding: 0px 5px 3px;
}

#banniere-covid19 a:hover {
    background-color: darkred;
    color: white;
    border: 1px solid white;
}