#menu_main {list-style: none; position: absolute; left: 50%; top: 50%; transform: translateX(-50%) translateY(-50%); }
#menu_main li, #menu_main li a { display: inline-block; color: #fff; }
#menu_main li a {  padding: 4px var(--main-gap-half) 4px var(--main-gap-half); text-decoration: none; border-radius: 90px;  font-size: 16px; }
#menu_main li a:hover { background: rgba(0, 0, 0, 0.5); }


nav{ 
    position: fixed; top: 0px; left: 0px; z-index: 888;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.9);
    padding-top: 192px;
}

#menu_main_mobile { text-align: center; width: 100%;}

#menu_main_mobile li a { color: #fff;  display: block; padding: var(--main-gap); font-size: 22px; }