body {
    margin:0; padding:0;
}

#main {
    position: relative; top: 0; left: 0;
    width:100%; height:100vh;
    background: url('../../img/photo_accueil.jpg') no-repeat center center;
    background-size: cover;

    display:flex;
    justify-content:center;
    align-items:center;
}

#logo_accueil img {
    width:300px;
}

#filtre {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0,0,0,0.2);
}

#lucien_crochet {
    position: relative; top: 0; left: 0;
}

#lucien_crochet #boutons {
    margin-top:35px;
    display: block;
}

#lucien_crochet #boutons a {
    position: relative; top: 0; left: 0;
    font-family: "Raleway";
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    color:#FFF;
    text-decoration: none;
    border:2px solid #FFF;
    padding:5px 0;
    vertical-align: top;
    display: inline-block;
    width:130px;
    text-align: center;
}

#lucien_crochet #boutons a.en {
    float: right;
}