Fix the display of the installation forms

plugins/Morpheus/templates/genericForm.twig

@@ -11,7 +11,7 @@
 
 <form {{ form_data.attributes|raw }}>
 	<div class="centrer">
-		<table class="centrer">
+		<table class="centrer simple-table">
             {% for fieldname in element_list %}
 				{% if form_data[fieldname].type == 'checkbox' %}
 					<tr>