#ez-toc-container{display:none}.et_mobile_menu{margin-top:15px}@media (max-width:980px){#presentation,.classe-de-la-section{position:relative}#presentation::before,.classe-de-la-section::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:1}#presentation .et_pb_row{position:relative;z-index:2}}