Modal with you tube video

index.html

<?php get_header();
/*
Template Name: Testimonios
*/

$args = [
          'post_type' => 'testimonials',
          'order' => 'ASC',
          'posts_per_page' => -1
       ];
$query = new WP_Query( $args );

function getTemplatehtml($template){
  $class = ($template == 1) ? 'testimonies-col__article --with-border' : 'testimonies-col__article';
  $template = '<article class="'.$class.'">
      <div>
        <div class="testimonies-video__div" data-youtube-id="%s"><img src="//img.youtube.com/vi/%s/0.jpg" alt=""></div>
        <div class="testimonies-body">
          <p>%s</p>

          <p><strong>%s (%s)</strong></p>
        </div>
      </div>
    </article>';

    return $template;
}

function printTestimonies($query)
{
  $init = $count = 0;
  $html_testimonie   = getTemplatehtml(1);
  $html_testimonie_3 = getTemplatehtml(2);

  $data = [];
  foreach ($query->posts as $testimonie) : setup_postdata($testimonie);
    $count++;
    $data_t = [
      'name'    => get_post_meta($testimonie->ID, '_testimonials_name', true),
      'des'     => get_post_meta($testimonie->ID, '_testimonials_des', true),
      'video'   => get_post_meta($testimonie->ID, '_testimonials_video', true),
      'content' => $testimonie->post_content
    ];
    array_push($data,$data_t);

    if($count %3 == 0 && $init == 0){
      $count = 0;
      $init   = 1;
      echo '<div class="testimonies-row__div">';
      foreach ($data as $key => $testimonie) {
        if($key != 2){
          echo sprintf($html_testimonie,$testimonie['video'],$testimonie['video'],$testimonie['content'],$testimonie['des'],$testimonie['name']);
        }else{
          echo sprintf($html_testimonie_3,$testimonie['video'],$testimonie['video'],$testimonie['content'],$testimonie['des'],$testimonie['name']);
        }
      }
      echo '</div>';
      $data = [];
    }elseif ($count %3 ==0 && $init == 1) {
      $count = 0;
      echo '<div class="testimonies-row__div --with-margin-top --with-border-top">';
      foreach ($data as $key => $testimonie) {
        if($key != 2){
          echo sprintf($html_testimonie,$testimonie['video'],$testimonie['video'],$testimonie['content'],$testimonie['des'],$testimonie['name']);
        }else{
          echo sprintf($html_testimonie_3,$testimonie['video'],$testimonie['video'],$testimonie['content'],$testimonie['des'],$testimonie['name']);
        }
      }
      echo '</div>';
      $data = [];
    }
  endforeach;
  wp_reset_postdata();
}

 ?>

 <div id="line-page-body">

   <section class="testimonies-wrapper-title__section">
     <h1>testimonios</h1>
   </section>
   <section class="testimonies-container__section">
     <?php printTestimonies($query); ?>
      <!-- <div class="testimonies-row__div">
        <article class="testimonies-col__article --with-border">
          <div>
            <div class="testimonies-video__div" data-youtube-id="1sIWez9HAbA"><img src="//img.youtube.com/vi/1sIWez9HAbA/0.jpg" alt=""></div>
            <div class="testimonies-body">
              <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Fugiat minus ullam numquam itaque doloribus dignissimos?</p>

              <p><strong>Lorem, ipsum - Lorem ipsum dolor sit amet (Lorem, ipsum)</strong></p>
            </div>
          </div>
        </article>
        <article class="testimonies-col__article --with-border">
          <div>
          <div class="testimonies-video__div" data-youtube-id="1sIWez9HAbA"><img src="//img.youtube.com/vi/1sIWez9HAbA/0.jpg" alt=""></div>
            <div class="testimonies-body">
              <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Fugiat minus ullam numquam itaque doloribus dignissimos?</p>

              <p><strong>Lorem, ipsum - Lorem ipsum dolor sit amet (Lorem, ipsum)</strong></p>
            </div>
          </div>
        </article>
        <article class="testimonies-col__article">
          <div>
          <div class="testimonies-video__div" data-youtube-id="1sIWez9HAbA"><img src="//img.youtube.com/vi/1sIWez9HAbA/0.jpg" alt=""></div>
            <div class="testimonies-body">
              <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Fugiat minus ullam numquam itaque doloribus dignissimos?</p>

              <p><strong>Lorem, ipsum - Lorem ipsum dolor sit amet (Lorem, ipsum)</strong></p>
            </div>
          </div>
        </article>
      </div>
      <div class="testimonies-row__div --with-margin-top --with-border-top">
        <article class="testimonies-col__article --with-border">
          <div>
            <div class="testimonies-video__div" data-youtube-id="1sIWez9HAbA"><img src="//img.youtube.com/vi/1sIWez9HAbA/0.jpg" alt=""></div>
            <div class="testimonies-body">
              <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Fugiat minus ullam numquam itaque doloribus dignissimos?</p>

              <p><strong>Lorem, ipsum - Lorem ipsum dolor sit amet (Lorem, ipsum)</strong></p>
            </div>
          </div>
        </article>
        <article class="testimonies-col__article --with-border">
          <div>
            <div class="testimonies-video__div" data-youtube-id="1sIWez9HAbA"><img src="//img.youtube.com/vi/1sIWez9HAbA/0.jpg" alt=""></div>
            <div class="testimonies-body">
              <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Fugiat minus ullam numquam itaque doloribus dignissimos?</p>

              <p><strong>Lorem, ipsum - Lorem ipsum dolor sit amet (Lorem, ipsum)</strong></p>
            </div>
          </div>
        </article>
        <article class="testimonies-col__article">
          <div>
            <div class="testimonies-video__div" data-youtube-id="1sIWez9HAbA"><img src="//img.youtube.com/vi/1sIWez9HAbA/0.jpg" alt=""></div>
            <div class="testimonies-body">
              <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Fugiat minus ullam numquam itaque doloribus dignissimos?</p>

              <p><strong>Lorem, ipsum - Lorem ipsum dolor sit amet (Lorem, ipsum)</strong></p>
            </div>
          </div>
        </article>
      </div> -->
    </section>

   <div class="line-container line-wrap">

     <div class="line-page-content">

       <!-- HTML -->

     </div>

   </div>

 </div>

 <script>
  jQuery( document ).ready(function() {
    jQuery('.testimonies-video__div').click(function() {
      var width, height;
      if (jQuery(window).width() < 600) {
        width = Math.floor((jQuery(window).width() / 100) * 75);
        height = width / 100 * 80;
      } else if (jQuery(window).width() < 1100) {
        width = 600;
        height = width / 100 * 80;
      } else {
        width = 950;
        height = 500 - 20;
      }

      jQuery('body').append('<div class="backdrop-wrapper__div"></div>')
      jQuery('body').append(
        '<div class="modal-wrapper__div"> \
          <div> \
            <iframe width="' + width + '" height="' + height +'" src="https://www.youtube.com/embed/' + jQuery(this).data()['youtubeId'] + '" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe> \
          </div> \
        </div>'
      )
      jQuery('.backdrop-wrapper__div').click(function() {
        jQuery('.modal-wrapper__div').addClass('--closing')
        setTimeout(function() {
          jQuery('.backdrop-wrapper__div').remove()
          jQuery('.modal-wrapper__div').remove()
        }, 1000)
      })
    })
  });
 </script>

  <!-- end content -->
<?php get_footer(); ?>

styles.css

/******************** Testimonies Page *******************/

.testimonies-wrapper-title__section {
  padding-top: 55px;
  text-align: center;
  margin-top: 6%;
  border-bottom: 1px solid black
}

.testimonies-wrapper-title__section h1 {
  font-size: 32px
}

.testimonies-container__section {
  width: 100%;
}

.testimonies-row__div {
  display: flex;
}

.testimonies-row__div.--with-border-top {
  border-top: 1px solid black;
}

.testimonies-video__div {
  height: 230px;
  cursor: pointer;
  overflow: hidden
}


.testimonies-video__div img {
  max-width: 100%;
  width: 100%;
  height: auto;
}

.testimonies-row__div.--with-margin-top {
  margin-top: 5px;
}

.testimonies-col__article {
  width: 33.3333%;
  padding: 20px;
  position: relative;
}

.testimonies-col__article.--with-border:after {
  content: '';
  width: 1px;
  height: 280px;
  background-color: black;
  position: absolute;
  top: 0;
  right: -1px;
}

.testimonies-body {
  min-height: 80px;
  margin-top: 10px;
}

@media (max-width: 1080px) {
  .testimonies-col__article.--with-border:after {
    content: unset;
    width: unset;
    height: unset;
    background-color: unset;
    position: unset;
    top: unset;
    right: unset;
  }

  .testimonies-row__div.--with-border-top {
    border-top: unset
  }
}

@media (max-width: 1080px) {
  .testimonies-row__div {
    flex-direction: column;
  }

  .testimonies-col__article {
    width: 100%;
  }

  .testimonies-col__article:not(.--without-pading-tablet) {
    padding: 3% 20%;
  }

  .testimonies-body > p {
    font-size: 1.2rem;
  }

  .testimonies-video__div {
    height: 300px
  }
}

@media (max-width: 768px) {
  .testimonies-col__article {
    padding: 3% 10%;
    width: 100%;
  }

  .testimonies-body > p {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .testimonies-col__article {
    padding: 3% 5%;
    width: 100%;
  }
}

.backdrop-wrapper__div {
  width: 100%;
  height: 100%;
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  background-color: rgba(0,0,0,0.85)
}

.modal-wrapper__div {
  position: fixed;
  z-index: 500;
  background-color: #fff;
  width: 90%;
  border: 1px solid #ccc;
  -webkit-box-shadow: 1px 1px 1px #000;
  box-shadow: 1px 1px 1px #000;
  padding: 16px;
  left: 5%;
  top: 10%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-transition: all .3s ease-out;
  -o-transition: all .3s ease-out;
  transition: all .3s ease-out;
  animation: openModal 0.4s ease-out forwards;
}

.modal-wrapper__div > div {
  text-align: center;
}

.modal-wrapper__div.--closing {
  animation: closeModal 1s ease-out forwards;
}

@media (max-width: 600px) {
  .modal-wrapper__div {
    width: 95%;
    top: 5%;
    left: 2.5%;
  }
}

@keyframes openModal {
  0% {
      opacity: 0;
      transform: translateY(-100%);
  }
  50% {
      opacity: 1;
      transform: translateY(90%);
  }
  100% {
      opacity: 1;
      transform: translateY(0);
  }
}

@keyframes closeModal {
  0% {
      opacity: 1;
      transform: translateY(0);
  }
  50% {
      opacity: 0.8;
      transform: translateY(60%);
  }
  100% {
      opacity: 0;
      transform: translateY(-100%);
  }
}

.block__information__wrapper {
  text-align: center
}

.block__information__wrapper > img {
  margin-top: 20px;
}

.block__information__wrapper.--with-margin-top {
  margin-top: 80px
}

.block__information__wrapper:not(.--with-margin-top) {
  margin-top: 60px;
}

.information-testimonies__div {
  display: flex;
  flex-direction: column;
}

@media (min-width: 980px) {
  .information-testimonies__div {
    flex-direction: row;
  }
}

@media (min-width: 600px) {
  .information-testimonies__div {
    padding: 0 10%
  }
}