python-gallery/gallery/templates/group.html

{% extends 'layout.html' %}

{% block header %}
    <div class="background-decoration">
        <img src="{{ url_for('static', filename='images/background.svg') }}" onload="imgFade(this)" style="opacity:0;"/>
        <span></span>
    </div>
{% endblock %}

{% block nav_groups %}navigation-item__selected{% endblock %}

{% block content %}
    <h1>Image Group</h1>
    <p>{{group_id}}</p>
{% endblock %}