View file File name : editor.css Content :.wp-block-navigation-submenu{ display:block; } .wp-block-navigation-submenu .wp-block-navigation__submenu-container{ z-index:28; } .wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container{ height:auto !important; left:-1px; min-width:200px !important; opacity:1 !important; position:absolute; top:100%; visibility:visible !important; width:auto !important; } @media (min-width:782px){ .wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container{ left:100%; top:-1px; } .wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before{ background:#0000; content:""; display:block; height:100%; position:absolute; right:100%; width:.5em; } }