This is what the code for your widget produces
HTML Code:
<div id="beginners" class="bfa_widget_area">
<div id="text-7" class="widget widget_text">
<div class="widget-title">
<h3>Weekend Beginners Courses & Open Days</h3>
</div>
<div class="textwidget">
<strong>Our next weekend course forbeginners is Dec 4/5th 2010.</strong>
Learn more about homeopathy and how to treat common ailments for family and friends <a href="http://www.contemporarycollegeofhomeopathy.com/?page_id=21"> read more... »</a>
<br/>
<strong>Dates for 2011 are - Feb 13 2011 (1 day course), April 2/3, June 4/5th.</strong>
</div>
</div>
</div>
note the class="widget-title"? you can use that to style the title
#beginners .widget-title {....}