    <span aria-hidden="true">&times;</span>
    </button>
</div>
{% endif %}
{% endmacro %}

{% macro warning_message(message) %}
{% if message %}
<div class="alert alert-warning alert-dismissible show" role="alert">
    Warning: {{ message }}
    <button type="button" class="close" data-dismiss="alert" aria-label="Close">
        <span aria-hidden="true">&times;</span>
    </button>
</div>
{% endif %}
{% endmacro %}

{% macro blood_brain_barrier_safe() %}
<strong>Blood-Brain Barrier Safe:</strong>
The prob