Can text be vertically aligned in the middle of a div with an unknown height when there is a floated image present? Specifically, for the first and third div group of 'groupsection2', the image will float to the left; and for the second and fourth group of 'groupsection2', the image will float to the right:
<div class="groupsection2 clear">
<div class="groupfeature">
<span><img src="testing-images/antec-quality-h230.png" alt="" height="230"/></span>
<div class="feature-content">
<h3>Reliability you can count on Reliability you can count on</h3>
<p>EA-380D Green is backed with AQ3 - Antec Quality 3 year parts and labor warranty, and you get
unlimited access to Antec’s incomparable technical support and customer service</p>
</div>
</div>
<div class="groupsection2 clear">
<div class="groupfeature">
<span><img src="testing-images/antec-quality-h230.png" alt="" height="230"/></span>
<div class="feature-content">
<h3>Reliability you can count on Reliability you can count on</h3>
<p>EA-380D Green is backed with AQ3 - Antec Quality 3 year parts and labor warranty, and you get
unlimited access to Antec’s incomparable technical support and customer service</p>
</div>
</div>
<div class="groupsection2 clear">
<div class="groupfeature">
<span><img src="testing-images/antec-quality-h230.png" alt="" height="230"/></span>
<div class="feature-content">
<h3>Reliability you can count on Reliability you can count on</h3>
<p>EA-380D Green is backed with AQ3 - Antec Quality 3 year parts and labor warranty, and you get
unlimited access to Antec’s incomparable technical support and customer service</p>
</div>
</div>