A WordPress query
A WordPress query that can be amended – like below for different post types/amount of posts/categories etc – codex info here
$args = array(
'post_type' => 'post',
'posts_per_page' => '16',
'orderby' => 'rand'
);
$query = new WP_Query($args);
$i = 1;
while ( $query->have_posts() ) : $query-> the_post();