.mm-menu_popup.mm-menu_opened~.mm-slideout {
    -webkit-transform:none!important;
    -ms-transform:none!important;
    transform:none!important;
    z-index:0;
}
.mm-menu_popup.mm-menu_opened~.mm-page__blocker {
    transition-delay:0s!important;
    z-index:1;
}
.mm-wrapper_opening .mm-menu_popup {
    opacity:1;
}