Menu Mobile site one page

<script>
jQuery( 'li.menu-item a' ).on( 'click', function() {
    document.getElementById( 'ast-mobile-popup' ).classList.remove( 'active', 'show' );
    document.getElementsByTagName('body')[0].classList.remove( 'ast-popup-nav-open', 'ast-main-header-nav-open' );
    jQuery('.main-header-menu-toggle')[0].style.display = 'flex';
    jQuery('.main-header-menu-toggle')[1].style.display = 'flex';
} );
</script>