line seperating posts

hello, im having abit of trouble, im currently using adsense between my 1st and 4th post on the main page, but i would like a line underneath each ad

my blog: https://www.hv-designs.co.uk/wordpress (still under construction)

heres my index.php code

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<?php get_header(); ?>
<div id="wptp_fixed_content">
<div id="wptp-init-blog">
<?php echo getad('bannerad'); ?>
<div class="clear-separate"></div>

<?php if(have_posts()) : ?>

<?php $count = 1; ?>

[Moderated]

Please copy your code to https://pastebin.com/ and add your link for extended amounts of code…