another one

varia/sass/blocks/utilities/_style.scss

@@ -23,6 +23,7 @@
  */
 .aligncenter {
 	clear: both;
+	display: block;
 	float: none;
 	margin-right: auto;
 	margin-left: auto;

varia/style-rtl.css

@@ -2017,6 +2017,7 @@ table th,
  */
 .aligncenter {
 	clear: both;
+	display: block;
 	float: none;
 	margin-left: auto;
 	margin-right: auto;

varia/style.css

@@ -2020,6 +2020,7 @@ table th,
  */
 .aligncenter {
 	clear: both;
+	display: block;
 	float: none;
 	margin-right: auto;
 	margin-left: auto;