Tiled featured image display

php

<?php function news_image_tiles() {
    $args = array (
          'post_type' => 'post',
          'cat' => '235',
          'orderby' => 'date',
          'order' => 'DESC',
          'posts_per_page' => '5',
     );
     $query1 = new WP_Query($args); ?>
     
<div class="container dynamicTile">
     <div class="row tile-row">
         <div class="col-xl-6 col-lg-6 col-md-12 col-sm-12 col-xs-12 tile-col">
               <?php while ($query1 ->have posts()) {
                   $query1->the_post();
                   $post = $posts[0]; $c=0; ?>
               <?php $c++; if($c == 1) { ?>
                     <div class="tile-wrapper tile-img">
                          <?php the_post_thumbnail('large', array('class' => 'img-fluid img-responsive')); ?>
                          <div class="tile-wrapper-inner-lg">
                              <h4><a href="<?php echo get_permalink(); ?>"><?php the_title(); ?></a></h4>
                                   <div class="description"><?php the_excerpt(); ?></div>
                           </div>
                           <div class="overlay"></div>
                           <a class="tri-corner" href="<?php echo get_permalink(); ?>"></a>
                     </div>
           </div>
           <div class="col-xl-6 col-lg-6 col-md-12 col-sm-12 col-xs-12 tile-col">
                 <div class="row tile-row">
                <?php } elseif($c == 2) { ?>
                        <div class="col-xl-6 col-lg-6 col-md-6 col-sm-12 col-xs-12 tile-col">
                             <div class="tile-wrapper tile-img">
                                  <?php the_post_thumbnail('medium', array('class' => 'img-fluid img-responsive')); ?>
                                   <div class="tile-wrapper-inner">
                                       <h4><a href="<?php echo get_permalink(); ?>"><?php the_title(); ?></a></h4>
                                       <div class="description"><?php the_excerpt(); ?></div>
                                   </div>
                                   <div class="overlay"></div>
                                   <a class="tri-corner" href="<?php echo get_permalink(); ?>"></a>
                              </div>
                         </div>
                 <?php } elseif($c == 3) { ?>
                        <div class="col-xl-6 col-lg-6 col-md-6 col-sm-12 col-xs-12 tile-col">
                             <div class="tile-wrapper tile-img">
                                  <?php the_post_thumbnail('medium', array('class' => 'img-fluid img-responsive')); ?>
                                   <div class="tile-wrapper-inner">
                                       <h4><a href="<?php echo get_permalink(); ?>"><?php the_title(); ?></a></h4>
                                       <div class="description"><?php the_excerpt(); ?></div>
                                   </div>
                                   <div class="overlay"></div>
                                   <a class="tri-corner" href="<?php echo get_permalink(); ?>"></a>
                              </div>
                         </div>
                     </div>
                 <?php } elseif($c == 4) { ?>
                      <div class="row tile-row">
                          <div class="col-xl-6 col-lg-6 col-md-6 col-sm-12 col-xs-12 tile-col">
                              <div class="tile-wrapper tile-img">
                                   <?php the_post_thumbnail('medium', array('class' => 'img-fluid img-responsive')); ?>
                                    <div class="tile-wrapper-inner">
                                        <h4><a href="<?php echo get_permalink(); ?>"><?php the_title(); ?></a></h4>
                                        <div class="description"><?php the_excerpt(); ?></div>
                                    </div>
                                    <div class="overlay"></div>
                                    <a class="tri-corner" href="<?php echo get_permalink(); ?>"></a>
                                </div>
                            </div>
                    <?php } elseif($c == 5) { ?>
                      <div class="row tile-row">
                          <div class="col-xl-6 col-lg-6 col-md-6 col-sm-12 col-xs-12 tile-col">
                              <div class="tile-wrapper tile-img">
                                   <?php the_post_thumbnail('medium', array('class' => 'img-fluid img-responsive')); ?>
                                    <div class="tile-wrapper-inner">
                                        <h4><a href="<?php echo get_permalink(); ?>"><?php the_title(); ?></a></h4>
                                        <div class="description"><?php the_excerpt(); ?></div>
                                    </div>
                                    <div class="overlay"></div>
                                    <a class="tri-corner" href="<?php echo get_permalink(); ?>"></a>
                                </div>
                            </div>
                        </div>
                    </div>
                 </div>
              </div>
          <?php } else {
               $c=0;
               } ?>
    <?php } ?>
<?php }; ?>
add_shortcode('news_tiles', 'news_image_tiles'); ?>