#chatbox {
    padding: 10em;
    height: 20em;
    margin-bottom: 1em;
    background-color: lightgrey;
    margin-left: 5%;
    margin-right: 5%;
    margin-top: 3%;
    overflow-y: auto;
}

#messageUser {
    width: 84%;
    padding: 0.6em;
    margin-left: 5%;
    border-radius: 4em;
}

#envoyer {
    padding: 0.8em 1.1em;
    background-color: #fadfa0;
    color: black;
    border-radius: 4px;
    cursor: pointer;
}

#envoyer:hover {
    background-color: #f2f2f2;
}

.erreur {
    color: red;
    margin-top: 1em;
    margin-left: 10em;
}