_s: Formatting changes:

- Reduce element comments to either the element id or the first element
class.
- Tabs > Spaces.
- Improve adherence to formatting guidelines.

footer.php

@@ -9,7 +9,7 @@
  */
 ?>
 
-	</div><!-- #main .site-main -->
+	</div><!-- #main -->
 
 	<footer id="colophon" class="site-footer" role="contentinfo">
 		<div class="site-info">
@@ -18,8 +18,8 @@
 			<span class="sep"> | </span>
 			<?php printf( __( 'Theme: %1$s by %2$s.', '_s' ), '_s', '<a href="http://automattic.com/" rel="designer">Automattic</a>' ); ?>
 		</div><!-- .site-info -->
-	</footer><!-- #colophon .site-footer -->
-</div><!-- #page .hfeed .site -->
+	</footer><!-- #colophon -->
+</div><!-- #page -->
 
 <?php wp_footer(); ?>