Set button height

css/controls/button/button.css

@@ -5,6 +5,7 @@
 	display: inline-block;
 	font-size: 16px;
 	font-weight: 400;
+	height: 38px;
 	line-height: 1.5;
 	padding: 6px 12px;
 	text-align: center;