.bloc_fixed-btn{background:#1b255d;border:2px solid #1b255d;border-radius:100px;bottom:50px;color:#fff;font-weight:600;padding:15px 30px;position:fixed;right:51px;text-decoration:none;transition:all .3s ease-in-out;z-index:50}.bloc_fixed-btn:hover{background-color:#1b255d00;color:#1b255d}