How to add html code at the bottom of the post in archive page?

Open archive.php from your theme’s directory the code will look like this

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

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

        <?php the_post(); ?>
        <h1 class="entry-title"><?php the_title(); ?></h1>

        <?php get_search_form(); ?>

        <h2>Archives by Month:</h2>
        <ul>
            <?php wp_get_archives('type=monthly'); ?>
        </ul>

        <h2>Archives by Subject:</h2>
        <ul>
             <?php wp_list_categories(); ?>
        </ul>

    </div><!-- #content -->
</div><!-- #container -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>

the add your html code between

</div><!-- #content -->

Your code goes here …….

</div><!-- #container -->

…………………………………………………………………..

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