Index: wp-content/themes/twentysixteen/css/blocks.css
===================================================================
--- wp-content/themes/twentysixteen/css/blocks.css	(revision 54300)
+++ wp-content/themes/twentysixteen/css/blocks.css	(working copy)
@@ -179,16 +179,10 @@
 	color: inherit;
 }
 
-.wp-block-pullquote p {
-	font-size: 19px;
-	font-size: 1.1875rem;
-}
 
 .wp-block-pullquote cite {
 	color: #1a1a1a;
 	display: block;
-	font-size: 16px;
-	font-size: 1rem;
 	font-style: normal;
 	line-height: 1.75;
 	text-transform: none;
Index: wp-content/themes/twentysixteen/css/editor-blocks.css
===================================================================
--- wp-content/themes/twentysixteen/css/editor-blocks.css	(revision 54300)
+++ wp-content/themes/twentysixteen/css/editor-blocks.css	(working copy)
@@ -147,6 +147,7 @@
 
 .edit-post-visual-editor blockquote p {
 	margin-bottom: 1.4736842105em;
+	font-size: inherit;
 }
 
 @media screen and (min-width: 44.375em) {
@@ -504,11 +505,10 @@
 .wp-block-pullquote .wp-block-pullquote__citation {
 	color: #1a1a1a;
 	display: block;
-	font-size: 16px;
-	font-size: 1rem;
 	font-style: italic;
 	line-height: 1.75;
 	text-transform: none;
+	font-size: inherit;
 }
 
 .wp-block-pullquote.has-text-color blockquote,
Index: wp-content/themes/twentysixteen/css/editor-style.css
===================================================================
--- wp-content/themes/twentysixteen/css/editor-style.css	(revision 54300)
+++ wp-content/themes/twentysixteen/css/editor-style.css	(working copy)
@@ -118,6 +118,7 @@
 	margin-bottom: 28px;
 	overflow: hidden;
 	padding: 0 0 0 24px;
+	font-size: inherit;
 }
 
 blockquote blockquote:not(.alignleft):not(.alignright) {
Index: wp-content/themes/twentysixteen/style.css
===================================================================
--- wp-content/themes/twentysixteen/style.css	(revision 54300)
+++ wp-content/themes/twentysixteen/style.css	(working copy)
@@ -340,8 +340,7 @@
 	border: 0 solid #1a1a1a;
 	border-left-width: 4px;
 	color: #686868;
-	font-size: 19px;
-	font-size: 1.1875rem;
+	font-size: inherit;
 	font-style: italic;
 	line-height: 1.4736842105;
 	margin: 0 0 1.4736842105em;