Multiple blocks: Make the added padding when there is a background color optional

packages/block-library/src/columns/style.scss

@@ -77,13 +77,6 @@
 	margin-bottom: 1.75em;
 }
 
-// Add low specificity default padding to columns blocks with backgrounds.
-:where(.wp-block-columns.has-background) {
-	// Matches paragraph block padding.
-	padding: $block-bg-padding--v $block-bg-padding--h;
-}
-
-
 .wp-block-column {
 	flex-grow: 1;
 

packages/block-library/src/columns/theme.scss

@@ -0,0 +1,5 @@
+// Add low specificity default padding to columns blocks with backgrounds.
+:where(.wp-block-columns.has-background) {
+	// Matches paragraph block padding.
+	padding: $block-bg-padding--v $block-bg-padding--h;
+}

packages/block-library/src/heading/style.scss

@@ -4,9 +4,6 @@ h3,
 h4,
 h5,
 h6 {
-	&.has-background {
-		padding: $block-bg-padding--v $block-bg-padding--h;
-	}
 	&.has-text-align-right[style*="writing-mode"]:where([style*="vertical-rl"]),
 	&.has-text-align-left[style*="writing-mode"]:where([style*="vertical-lr"]) {
 		rotate: 180deg;

packages/block-library/src/heading/theme.scss

@@ -0,0 +1,10 @@
+// Add low specificity default padding to headings with backgrounds.
+:where(h1.has-background),
+:where(h2.has-background),
+:where(h3.has-background),
+:where(h4.has-background),
+:where(h5.has-background),
+:where(h6.has-background) {
+	// Matches paragraph block padding.
+	padding: $block-bg-padding--v $block-bg-padding--h;
+}

packages/block-library/src/list/style.scss

@@ -1,8 +1,4 @@
 ol,
 ul {
 	box-sizing: border-box;
-
-	&.has-background {
-		padding: $block-bg-padding--v $block-bg-padding--h;
-	}
 }

packages/block-library/src/list/theme.scss

@@ -0,0 +1,6 @@
+// Add low specificity default padding to lists with backgrounds.
+:where(ol.has-background),
+:where(ul.has-background) {
+	// Matches paragraph block padding.
+	padding: $block-bg-padding--v $block-bg-padding--h;
+}

packages/block-library/src/paragraph/style.scss

@@ -38,10 +38,6 @@ p.has-drop-cap.has-background {
 	overflow: hidden;
 }
 
-p.has-background {
-	padding: $block-bg-padding--v $block-bg-padding--h;
-}
-
 // Use :where to contain the specificity of this rule
 // so it's easily overrideable by any theme that targets
 // links using the a element.

packages/block-library/src/paragraph/theme.scss

@@ -0,0 +1,4 @@
+// Add low specificity default padding to paragraphs with backgrounds.
+:where(p.has-background) {
+	padding: $block-bg-padding--v $block-bg-padding--h;
+}

packages/block-library/src/preformatted/theme.scss

@@ -0,0 +1,5 @@
+// Add low specificity default padding to preformatted blocks with backgrounds.
+:where(.wp-block-preformatted.has-background) {
+	// Matches paragraph block padding.
+	padding: $block-bg-padding--v $block-bg-padding--h;
+}

packages/block-library/src/style.scss

@@ -17,7 +17,6 @@
 @import "./form-input/style.scss";
 @import "./gallery/style.scss";
 @import "./group/style.scss";
-@import "./heading/style.scss";
 @import "./image/style.scss";
 @import "./latest-comments/style.scss";
 @import "./latest-posts/style.scss";

packages/block-library/src/theme.scss

@@ -1,8 +1,13 @@
 @import "./audio/theme.scss";
 @import "./code/theme.scss";
+@import "./columns/theme.scss";
 @import "./embed/theme.scss";
 @import "./gallery/theme.scss";
+@import "./heading/theme.scss";
 @import "./image/theme.scss";
+@import "./list/theme.scss";
+@import "./paragraph/theme.scss";
+@import "./preformatted/theme.scss";
 @import "./pullquote/theme.scss";
 @import "./quote/theme.scss";
 @import "./search/theme.scss";