<?php
rewind_posts();
$paged = ( get_query_var( 'paged' ) ) ? get_query_var('paged') : 1;
$args = array( 'post_type' => 'design_asset', 'posts_per_page' => 100, 'orderby' => 'title', 'order' => 'ASC'  );
$loop = new WP_Query( $args );
while ( $loop->have_posts() ) : $loop->the_post();
?>
<div class="col-md-4 col-xs-12">
<div class="thumbnail">
    <div class="caption">
        <?php the_post_thumbnail( 'thumbnail', array('class' => 'img-responsive') ); ?>
        <h3><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
        <p class="excerpt"><?php the_excerpt(); ?></p>
    </div>
</div>
</div>
<?php    endwhile;   ?>