Change button text, fix centering on vendor strip, remove empty sass selector

_sass/_base.sass

@@ -262,7 +262,7 @@ header
 	background-color: transparentize(white, 0.9)
 	font-weight: 100
 	white-space: nowrap
-	text-align: left
+	text-align: center
 
 	div
 		vertical-align: middle
@@ -792,9 +792,6 @@ section
 	td
 		font-size: 0.85em
 	
-	#pd_rating_holder_8345992
-		
-
 	#editPageButton
 		position: absolute
 		top: -25px

index.html

@@ -14,7 +14,7 @@ title: Accelerate Your Delivery
 			<h1>Accelerate Your Delivery</h1>
 			<h5>Manage an infrastructure cluster as a single system to simplify container operations.</h5>
 		</div>
-		<a href="/docs/hellonode/" id="quickstartButton" class="button">5 Minute Quick Start</a>
+		<a href="/docs/hellonode/" id="quickstartButton" class="button">Try Our Hello World</a>
 	</main>
 	<div id="vendorStrip" class="light-text">
 		<div>Join the growing community already using Kubernetes</div>