{% load wagtailcore_tags %}
{% if self.internal_page %}
    <a href="{% pageurl self.internal_page %}" class="button" {% if self.link_newtab %}target="_blank" rel="noopener noreferrer"{% endif %}>
        {{ self.text }}
    </a>
{% elif self.custom_link %}
    <a href="{{ self.custom_link }}" class="button" {% if self.link_newtab %}target="_blank" rel="noopener noreferrer"{% endif %}>
        {{ self.text }}
    </a>
{% endif %}