img[usemap] {
    border: none;
    height: auto;
    max-width: 100%;
    width: auto;
 }

#map {
    display: none;
}

.instructions{
    font-size:large;
    font-weight: bold;
}

.aide{
    color: blue;
    font-size:large;
    font-weight: bold;
}

header, footer  {
    height: 3em;
    width: 100vw;
    background-color: black;
    color: white;
}

.atitre {
    color: white;
    text-decoration-line: none;
    font-weight: bold;
    position: relative;
    top: 1em;
    padding-right: 3em;
    left: 10%;
}

.main {
    width: 80%;
    margin: auto;
    text-align: justify;
    position: relative;
}

.picture {
    text-align: center;
}

#div_indice {
    width: 60%;
    border: solid black 2px;
    margin: auto;
    padding: 0.5em 1em 0.5em 1em;
}

#reponse {
    font-style: italic;
    color: darkblue;
    font-weight: 700;
}