Close #646 - Replace ID's with classes

templates/content.php

@@ -7,7 +7,7 @@
 <?php endif; ?>
 
 <?php while (have_posts()) : the_post(); ?>
-  <article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
+  <article <?php post_class(); ?>>
     <header>
       <h2><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h2>
       <?php get_template_part('templates/entry-meta'); ?>
@@ -22,7 +22,7 @@
 <?php endwhile; ?>
 
 <?php if ($wp_query->max_num_pages > 1) : ?>
-  <nav id="post-nav">
+  <nav class="post-nav">
     <ul class="pager">
       <?php if (get_next_posts_link()) : ?>
         <li class="previous"><?php next_posts_link(__('&larr; Older posts', 'roots')); ?></li>