Remove fixed padding from css for buttons

course/style.css

@@ -263,10 +263,12 @@ a {
 	border-color: currentcolor;
 	border-width: 1px;
 	color: currentcolor;
-	padding: 0.5856em 1.5238em;
 	text-decoration: none;
 }
 
+.wp-block-button {
+	text-align: center;
+}
 /*
  * Pagination styles
  */