.accueil {
    background-color: #363440;
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0;
    left: 0;
}

.containeraccueil {
    background-color: #363440;
    height: 100%;
    position: fixed;
    width: 80%;
    top: 0;
    left: 0;
    text-align: center;
    margin-left: 10%;
    margin-right: 10%;
    align-content: center;
    display: flex;
    flex-flow: wrap;
}

.messageaccueil {
    background-color: #363440;
    margin-bottom: 5%;
    margin-left: 6%;
    margin-right: 6%;
    width: 88%;
    text-align: center;
    color: white;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    margin-top: 2%;
}