page-blog.php

<?php

/**
 * The template for displaying single pages
 *
 * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
 *
 * @package your-theme
 */

get_header(); ?>

<main>
  <section class="dicas-blogueira">
    <div class="container">

      <?php the_title('<h1>', '</h1>'); ?>

      <div class="row">
        <?php
        $argsPost = array(
          'post_type'     => 'post',
          'post_per_page' => 3
        );
        $queryPost = new WP_Query($argsPost);

        if ($queryPost->have_posts()) :
          while ($queryPost->have_posts()) : $queryPost->the_post();

            $excerpt = get_the_excerpt();
        ?>
            <div class="col-md-4">
              <div class="item-postBlog">
                <a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>" class="d-block">
                  <img src="<?php the_post_thumbnail_url(); ?>" alt="<?php the_title(); ?>" class="img-fluid">
                  <h3><?php the_title(); ?></h3>
                  <span><?php echo string_limit_words($excerpt, 20); ?> [...]</span>
                </a>
              </div><!--item-postBlog-->
            </div><!--col-md-4-->
        <?php
          endwhile;
        endif;
        wp_reset_query();
        ?>
      </div><!--row-->
    </div><!--container-->
  </section><!--dicas-blogueira-->
</main>

<?php
get_footer();