.mm-menu_theme-dark {
    background: rgba(25,137,115,1);
    border-color: rgba(0,0,0,.3);
    color: rgba(255,255,255,.85);
}

.mm-wrapper_opening [class*=mm-menu_pagedim].mm-menu_opened~.mm-page__blocker {
    opacity: .65;
    transition: opacity .4s ease .4s;
}