<?php
$args = array(
'posts_per_page' => 9,
 'paged' => $paged
) ;
$my_query = new WP_Query($args) ;?>

<section id="" class="container-fluid">

    <?php $count = 0  ?>

    <?php if ($my_query->have_posts()) : ?>
        <div class="row">
            <?php while ($my_query->have_posts()) : $my_query->the_post(); ?>

                <article class="post col col-xs-12 col-sm-4">
                    <h3> <a href="<?php the_permalink()  ?>"><?php the_title()  ?></a></h3>
                    <p><?php  the_excerpt(); ?></p>
                    <?php  $count++ ?>
                    <p><a href="<?php echo get_permalink()  ?>">read more</a></p>
                </article>
                <?php if ( $count %3 == 0  ) { ?>
        </div>
        <div class="row">
                <?php   }         ?>
        <?php endwhile;  ?>
    <?php endif; ?>

</section> <!-- ENDS .container  -->

<footer class="pagination container-fluid clearfix">
    <div class="col col-xs-12">
        <?php   echo get_the_posts_navigation(  );   ?>
    <?php wp_reset_postdata()  ?>
    </div>
</footer>