diff --git a/packages/block-library/src/editor.scss b/packages/block-library/src/editor.scss
index b5778d5b472ff9..2bf5a68097a78b 100644
--- a/packages/block-library/src/editor.scss
+++ b/packages/block-library/src/editor.scss
@@ -24,6 +24,7 @@
 @import "./quote/editor.scss";
 @import "./rss/editor.scss";
 @import "./search/editor.scss";
+@import "./separator/editor.scss";
 @import "./shortcode/editor.scss";
 @import "./spacer/editor.scss";
 @import "./subhead/editor.scss";
diff --git a/packages/block-library/src/separator/editor.scss b/packages/block-library/src/separator/editor.scss
new file mode 100644
index 00000000000000..d1897dd83cafd1
--- /dev/null
+++ b/packages/block-library/src/separator/editor.scss
@@ -0,0 +1,13 @@
+.wp-block-separator {
+	// Make the separator hit area bigger, to make it more easy to select.
+	&::after {
+		content: "";
+		display: block;
+		padding-bottom: $icon-button-size-small;
+		position: relative;
+		top: ($icon-button-size-small / 2);
+	}
+	margin-top: -($icon-button-size-small / 2);
+	margin-bottom: -$icon-button-size-small / 2;
+	transform: translateY(-$icon-button-size-small / 2);
+}