Match quote citation font size.

blank-canvas-blocks/assets/ponyfill.css

@@ -244,30 +244,6 @@ h1, h2, h3, h4, h5, h6 {
 	font-family: var(--wp--preset--font-family--headings);
 }
 
-/**
- * Button
- */
-/**
- * Block Options
- */
-.wp-block-button.wp-block-button__link,
-.wp-block-button .wp-block-button__link {
-	font-weight: var(--wp--custom--button--font-weight);
-	font-family: var(--wp--custom--button--font-family);
-	font-size: var(--wp--custom--button--font-size);
-	line-height: var(--wp--custom--button--line-height);
-	border-radius: var(--wp--custom--button--border-radius);
-}
-
-.wp-block-button.wp-block-button__link:hover, .wp-block-button.wp-block-button__link:focus, .wp-block-button.wp-block-button__link.has-focus,
-.wp-block-button .wp-block-button__link:hover,
-.wp-block-button .wp-block-button__link:focus,
-.wp-block-button .wp-block-button__link.has-focus {
-	color: var(--wp--custom--button--color--hover-text);
-	background-color: var(--wp--custom--button--color--hover-background);
-	border-color: var(--wp--custom--button--color--hover-background);
-}
-
 p.has-background {
 	padding: var(--wp--custom--margin--vertical) var(--wp--custom--margin--horizontal);
 }
@@ -321,6 +297,10 @@ p.has-text-color a {
 	padding: var(--wp--custom--navigation--submenu--padding);
 }
 
+.wp-block-quote cite, .wp-block-quote .wp-block-quote__citation {
+	font-size: var(--wp--preset--font-size--small);
+}
+
 .wp-block-group.has-background .wp-block-group__inner-container {
 	padding: var(--wp--custom--margin--vertical) var(--wp--custom--margin--horizontal);
 }

blank-canvas-blocks/functions.php

@@ -11,6 +11,9 @@ if ( ! function_exists( 'blank_canvas_blocks_support' ) ) :
 		// Add support for editor styles.
 		add_theme_support( 'editor-styles' );
 
+		// Add support for basic block styles.
+		add_theme_support( 'wp-block-styles' );
+
 		// Enqueue editor styles.
 		add_editor_style( array( 
 			'/assets/ponyfill.css'

blank-canvas-blocks/sass/blocks/_style.scss

@@ -1,4 +1,4 @@
-@import "button/style";
 @import "paragraph/style";
 @import "navigation/style";
+@import "quote/style";
 @import "group/style";

blank-canvas-blocks/sass/blocks/quote/_style.scss

@@ -0,0 +1,5 @@
+.wp-block-quote {
+	cite, .wp-block-quote__citation {
+		font-size: var(--wp--preset--font-size--small);
+	}
+}