tweaked fragment examples

index.html

@@ -141,8 +141,7 @@
 						<p class="fragment fade-out">fade-out</p>
 						<p class="fragment fade-up">fade-up (also down, left and right!)</p>
 						<p class="fragment current-visible">current-visible</p>
-						<p class="fragment highlight-red">highlight-red</p>
-						<p class="fragment highlight-blue">highlight-blue</p>
+						<p>Highlight <span class="fragment highlight-red">red</span> <span class="fragment highlight-blue">blue</span> <span class="fragment highlight-green">green</span></p>
 					</section>
 				</section>