diff -r be944660c56a -r 3d72ae0968f4 wp/wp-includes/blocks/navigation-submenu/editor.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/blocks/navigation-submenu/editor.css	Tue Sep 27 16:37:53 2022 +0200
@@ -0,0 +1,107 @@
+/**
+ * Colors
+ */
+/**
+ * Breakpoints & Media Queries
+ */
+/**
+ * SCSS Variables.
+ *
+ * Please use variables from this sheet to ensure consistency across the UI.
+ * Don't add to this sheet unless you're pretty sure the value will be reused in many places.
+ * For example, don't add rules to this sheet that affect block visuals. It's purely for UI.
+ */
+/**
+ * Colors
+ */
+/**
+ * Fonts & basic variables.
+ */
+/**
+ * Grid System.
+ * https://make.wordpress.org/design/2019/10/31/proposal-a-consistent-spacing-system-for-wordpress/
+ */
+/**
+ * Dimensions.
+ */
+/**
+ * Shadows.
+ */
+/**
+ * Editor widths.
+ */
+/**
+ * Block & Editor UI.
+ */
+/**
+ * Block paddings.
+ */
+/**
+ * React Native specific.
+ * These variables do not appear to be used anywhere else.
+ */
+/**
+*  Converts a hex value into the rgb equivalent.
+*
+* @param {string} hex - the hexadecimal value to convert
+* @return {string} comma separated rgb values
+*/
+/**
+ * Breakpoint mixins
+ */
+/**
+ * Long content fade mixin
+ *
+ * Creates a fading overlay to signify that the content is longer
+ * than the space allows.
+ */
+/**
+ * Focus styles.
+ */
+/**
+ * Applies editor left position to the selector passed as argument
+ */
+/**
+ * Styles that are reused verbatim in a few places
+ */
+/**
+ * Allows users to opt-out of animations via OS-level preferences.
+ */
+/**
+ * Reset default styles for JavaScript UI based pages.
+ * This is a WP-admin agnostic reset
+ */
+/**
+ * Reset the WP Admin page styles for Gutenberg-like pages.
+ */
+.wp-block-navigation-submenu {
+  display: block;
+}
+.wp-block-navigation-submenu .wp-block-navigation__submenu-container {
+  z-index: 28;
+}
+.wp-block-navigation-submenu.is-selected > .wp-block-navigation__submenu-container, .wp-block-navigation-submenu.has-child-selected > .wp-block-navigation__submenu-container {
+  visibility: visible !important;
+  opacity: 1 !important;
+  min-width: 200px !important;
+  height: auto !important;
+  width: auto !important;
+  position: absolute;
+  left: -1px;
+  top: 100%;
+}
+@media (min-width: 782px) {
+  .wp-block-navigation-submenu.is-selected > .wp-block-navigation__submenu-container .wp-block-navigation__submenu-container, .wp-block-navigation-submenu.has-child-selected > .wp-block-navigation__submenu-container .wp-block-navigation__submenu-container {
+    left: 100%;
+    top: -1px;
+  }
+  .wp-block-navigation-submenu.is-selected > .wp-block-navigation__submenu-container .wp-block-navigation__submenu-container::before, .wp-block-navigation-submenu.has-child-selected > .wp-block-navigation__submenu-container .wp-block-navigation__submenu-container::before {
+    content: "";
+    position: absolute;
+    right: 100%;
+    height: 100%;
+    display: block;
+    width: 0.5em;
+    background: transparent;
+  }
+}
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