Merge pull request #1547 from Automattic/fix/varia-issue-1511

Varia: Make sure centre aligned image in classic block is centred

varia/sass/blocks/utilities/_style.scss

@@ -23,7 +23,10 @@
  */
 .aligncenter {
 	clear: both;
+	display: block;
 	float: none;
+	margin-right: auto;
+	margin-left: auto;
 	text-align: center;
 }
 

varia/style-rtl.css

@@ -2017,7 +2017,10 @@ table th,
  */
 .aligncenter {
 	clear: both;
+	display: block;
 	float: none;
+	margin-left: auto;
+	margin-right: auto;
 	text-align: center;
 }
 

varia/style.css

@@ -2020,7 +2020,10 @@ table th,
  */
 .aligncenter {
 	clear: both;
+	display: block;
 	float: none;
+	margin-right: auto;
+	margin-left: auto;
 	text-align: center;
 }