Category wise post display

category-template.php

<?php 
/* Template Name: Category Post Template */ 
get_header();
?>

<div id="container">
	<div id="content" role="main">

	<?php
	// get all the categories from the database
	$cats = get_categories(); 

		// loop through the categries
		foreach ($cats as $cat) {
			// setup the cateogory ID
			$cat_id= $cat->term_id;
			// Make a header for the cateogry
			echo "<h2 style='text-align:center'>".$cat->name."</h2>";
			// create a custom wordpress query
			query_posts("cat=$cat_id&posts_per_page=100");
			// start the wordpress loop!
			if (have_posts()) : while (have_posts()) : the_post(); ?>

				<?php // create our link now that the post is setup ?>
				<div class="container">
					<div id="primary" class="content-area">
						<main id="main" class="site-main" role="main">
							<div class="entry-content" style="width:90%; text-align: center;float: none;">
								<a href="<?php the_permalink();?>"><?php the_title(); ?></a>
							</div><!-- #post-## -->	
						</main><!-- #main -->
					</div><!-- #primary -->
				</div><!-- .wrap -->
				

			<?php endwhile; endif; // done our wordpress loop. Will start again for each category ?>
		<?php } // done the foreach statement ?>

	</div><!-- #content -->
</div><!-- #container -->
<?php get_sidebar(); ?>
<?php get_footer();?>