Use the new forms tags and fix the styling.
{% extends "base.html" %}
{% block content %}
{% if open_tasks %}
Tasks that are open for contribution
<ul>
{% for task in open_tasks %}
<li>
<a href="{% url view_task task.id %}">
{{ task.title }}
</a>
</li>
{% endfor %}
</ul>
<br />
{% endif %}
{% if working_tasks %}
Tasks that are being worked on
<ul>
{% for task in working_tasks %}
<li>
<a href="{% url view_task task.id %}">
{{ task.title }}
</a>
</li>
{% endfor %}
</ul>
<br />
{% endif %}
{% if comp_tasks %}
Tasks that were completed recently
<ul>
{% for task in comp_tasks %}
<li>
<a href="{% url view_task task.id %}">
{{ task.title }}
</a>
</li>
{% endfor %}
</ul>
<br />
{% endif %}
{% if unpub_tasks %}
Tasks that need approval
<ul>
{% for task in unpub_tasks %}
<li>
<a href="{% url view_task task.id %}">
{{ task.title }}
</a>
</li>
{% endfor %}
</ul>
<br />
{% endif %}
{% endblock %}