.menu_main { margin-top:40px;margin-bottom:40px;display:flex; justify-content: center; flex-wrap:wrap;}
.menu_level-0 { float:none; margin-right:20px;}

.menu_level-0.menu_item_current { border-bottom:1px solid #eee;} 

.menu_submenu { display:none!important;border:1px solid #ccc; background:#000000; text-align:center; padding:10px 0 ; }
.menu_submenu .menu_item { padding:5px 0 ;}