<div class="col-12 col-sm-4" style="height:100px;">
	<button onclick="setColor20('button20')" type="button" id="button20" class="btn btn-dark btn-block" style="height:80px;" data-toggle="collapse" data-target="#collapseProfessionalEducation" aria-expanded="false" aria-controls="collapseServices">
		Professional Education
	</button>
</div>