CTFd/templates/errors/403.html

{% extends "base.html" %}

{% block content %}

<div class="row">
    <h2 style="text-align:center;">I don't think you're allowed here</h2>
    <h2 style="text-align:center;">Not so sorry about that</h2>
</div>


{% endblock %}

{% block scripts %}
{% endblock %}