div#tarteaucitronAlertBig::before {
    display: none!important;
}
#tarteaucitronRoot span#tarteaucitronDisclaimerAlert {
    margin: 0 auto 30px 0!important;
}

body #tarteaucitronRoot div#tarteaucitronAlertBig{
    border-radius: 0!important;
    box-shadow:none!important;
    padding: 30px 0!important;
    width: 50%!important;
}