diff -r 34716fd837a4 -r be944660c56a wp/wp-includes/blocks/post-featured-image/editor.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/blocks/post-featured-image/editor.css	Wed Sep 21 18:19:35 2022 +0200
@@ -0,0 +1,93 @@
+/**
+ * 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.
+ */
+/**
+ * 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.
+ */
+div[data-type="core/post-featured-image"] img {
+  max-width: 100%;
+  height: auto;
+  display: block;
+}
+
+.editor-styles-wrapper .post-featured-image_placeholder {
+  display: flex;
+  flex-direction: row;
+  align-items: flex-start;
+  border-radius: 2px;
+  background-color: #fff;
+  box-shadow: inset 0 0 0 1px #1e1e1e;
+  padding: 12px;
+}
+.editor-styles-wrapper .post-featured-image_placeholder svg {
+  margin-right: 12px;
+}
+.editor-styles-wrapper .post-featured-image_placeholder p {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+  font-size: 13px;
+  margin: 0;
+}
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