Style admin note action button and snooze dropdown.

plugins/woocommerce-admin/client/layout/store-alerts/index.js

@@ -130,6 +130,7 @@ class StoreAlerts extends Component {
 
 		const snooze = alert.is_snoozable && (
 			<Dropdown
+				className="woocommerce-store-alerts__snooze"
 				position="bottom"
 				expandOnMobile
 				renderToggle={ ( { isOpen, onToggle } ) => (

plugins/woocommerce-admin/client/layout/store-alerts/style.scss

@@ -36,6 +36,9 @@
 	}
 
 	a.components-button {
+		min-height: 36px;
+		padding: 4px 16px;
+
 		+ .components-button {
 			margin-left: 10px;
 		}
@@ -185,3 +188,13 @@
 		}
 	}
 }
+
+.woocommerce-store-alerts__snooze {
+	display: inline-flex;
+	margin-left: 10px;
+	min-height: 34px;
+
+	.woocommerce-dropdown-button__labels {
+		min-height: 34px;
+	}
+}