Added view for "default" buttons.

web/pages/buttons.njk

@@ -7,6 +7,13 @@
 	</header>
 	<h1>Buttons</h1>
 
+	<h2>Default</h2>
+	<div>
+		<button class="btn primary">Primary</button>
+		<button class="btn secondary">Secondary</button>
+		<button class="btn" disabled>Disabled</button>
+	</div>
+
 	<h2>Raised</h2>
 	<div>
 		<button class="btn raised primary">Primary</button>