.bloc_admincmsaccess {
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 10000;
}

.block_go_page {
    width: 200px;
    z-index: 10000;
}

.block-is-ok {float: left}

@media screen and (max-width: 768px) {
    .bloc_admincmsaccess {
        display: none;
    }
}