.js .container-texte-banniere .title,
.js .container-texte-banniere .introduction,
.js .container-texte-banniere .meta,
.js .container-texte-banniere .container-btn .btn-next,
.js .container-texte-banniere .container-btn-retour .btn-next  {
   /* opacity: 0;*/
}
/*.js #container-btn-scroll #btn-scroll .icone-arrow {
    opacity: 0;
}*/