Милок Мурлыка

<a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>">
  <?php the_post_thumbnail(null, array("class" => "img-responsive")) ;?>
</a>

function arrayElementsProduct(array) {

  var result = 1;

  for (var i = 0; i < array.length; i++) {
    result *= array[i];
  }
  return result;
}

$(selector).click( function() {
  var magnificPopup = $.magnificPopup.instance; // save instance in magnificPopup variable
  magnificPopup.close(); // Close popup that is currently opened
});

-o-transition: width .6s ease;
    transition: width .6s ease;