diff --git a/packages/block-editor/CHANGELOG.md b/packages/block-editor/CHANGELOG.md
index ff61da68ae832..7ddc2a31c1951 100644
--- a/packages/block-editor/CHANGELOG.md
+++ b/packages/block-editor/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 -   `BlockInspector`: Fix browser warning error when block is not selected ([#46875](https://github.com/WordPress/gutenberg/pull/46875)).
 -   Move component styles needed for iframes to content styles ([#47103](https://github.com/WordPress/gutenberg/pull/47103)).
+-   Block Inserter: Correctly apply style to the default inserter ([#47166](https://github.com/WordPress/gutenberg/pull/47166)).
 
 ## 11.1.0 (2023-01-02)
 
diff --git a/packages/block-editor/src/components/block-tools/style.scss b/packages/block-editor/src/components/block-tools/style.scss
index 4bb2e07fcabb0..099bf14987dcb 100644
--- a/packages/block-editor/src/components/block-tools/style.scss
+++ b/packages/block-editor/src/components/block-tools/style.scss
@@ -59,7 +59,6 @@
 
 // Sibling inserter / "inbetweenserter".
 .block-editor-block-list__empty-block-inserter,
-.block-editor-default-block-appender,
 .block-editor-block-list__insertion-point-inserter {
 	.block-editor-inserter__toggle.components-button.has-icon {
 		// Basic look
diff --git a/packages/block-editor/src/components/default-block-appender/content.scss b/packages/block-editor/src/components/default-block-appender/content.scss
index ca93381349c0c..9eecf9a7e007a 100644
--- a/packages/block-editor/src/components/default-block-appender/content.scss
+++ b/packages/block-editor/src/components/default-block-appender/content.scss
@@ -30,6 +30,23 @@
 	.components-drop-zone__content-icon {
 		display: none;
 	}
+
+	.block-editor-inserter__toggle.components-button.has-icon {
+		// Basic look
+		background: $gray-900;
+		border-radius: $radius-block-ui;
+		color: $white;
+		padding: 0;
+
+		// Special dimensions for this button.
+		min-width: $button-size-small;
+		height: $button-size-small;
+
+		&:hover {
+			color: $white;
+			background: var(--wp-admin-theme-color);
+		}
+	}
 }
 
 // The black plus that shows up on the right side of an empty paragraph block, or the initial appender
@@ -78,6 +95,7 @@
 		box-shadow: none;
 		height: $button-size-small;
 		width: $button-size-small;
+		min-width: $button-size-small;
 
 		// Hide by default, then we unhide it when the selected block is a direct ancestor.
 		display: none;