how to create overlay scale box in html code example

Example 1: overlay html template

<div class="imagebg" data-overlay="5">
	<div class="background-image-holder">
		<img alt="background" src="img/file.jpg" />
	</div>
	<div class="container">
		Content
	</div>
</div>

Example 2: html overlay django

{% for instance in object_list %}
    <div align="center">
        <a href="#overlay{{ instance.pk }}">{{ instance.international_title }}</a>
    </div>
    <div id="overlay{{ instance.pk }}">
    <p>{{ instance.international_short_description }}<p>
    </div>
{% endfor %}