I agree with Takebo it’s problem with tag.
<div class="col-md-12 postbody ">
<a href="https://wordpress.stackexchange.com/questions/266597/<?php the_permalink(); ?>"><?php the_title(); ?>
here is missing </a>
`</div>
<a class="cta" href="https://wordpress.stackexchange.com/questions/266597/<?php the_permalink(); ?>">DÉCOUVRIR →</a>
</div>
</div>`