hooli-gun

<?php
			$args = array (
				'post_type' => 'project',
			);

			$cat_one = new WP_Query( $args );
			while ( $cat_one->have_posts() ) :
			$cat_one->the_post();

			echo '<li class="projects__item ';

			$categories = get_the_category();
			$category_id = $categories[0]->cat_ID;
			
			if ($category_id == 4) {
				echo 'mafs';
			} elseif ($category_id == 5) {
				echo 'reconstruction';
			} elseif ($category_id == 6) {
				echo 'stock';
			} elseif ($category_id == 7) {
				echo 'monolithic';
			}
			
			echo '">';
			the_post_thumbnail('full', array('class' => 'projects__img'));
			echo '<h3 class="projects__title">';
			the_title();
			echo '</h3>';	
			echo '<a href="'.get_permalink().'" class="projects__link"></a>';
			echo '</li>';

			endwhile;
			?>