1👍
<div class="container">
<h2 class="latest-posts">Latest Posts</h2>
<hr />
{% for post in posts.all %}
{% if forloop.counter0|divisibleby:2 %}
<div class="row">
{% endif %}
<div class="col-12 col-md-6">
<!-- Card -->
<article class="card animated fadeInRight">
<div class="card-block">
<h4 class="card-title"><a href="{% url 'post_detail' post.id %}">{{ post.title }}</a></h4>
<h6 class="text-muted">Antoine de Saint-Exupéry</h6>
<p class="card-text">{{ post.summary }}</p>
</div>
<div class="card-block text-center">
<div class="btn-group hidden-sm-down hidden-md-down" role="group" aria-label="Card buttons">
<a href="#" class="card-link">Read more</a>
</div>
</div>
<img class="card-img-bottom img-responsive" style='width:100%; text-align:center;' src="{{ post.image.url }}" alt="White sand" />
</article><!-- .end Card -->
</div>
</div>
{% if forloop.counter|divisibleby:2 == False %}
</div>
{% endif %}
{% endfor %}
// When lenght of posts is even the <div> is not close. Close it!</div>
{% if posts.all|length|divisibleby:2 == False %}
</div>
{% endif %}
</div><!-- End container -->
Source:stackexchange.com