--- a/src/pyams_form/templates/form.pt	Wed Mar 28 15:30:55 2018 +0200
+++ b/src/pyams_form/templates/form.pt	Wed Mar 28 15:49:26 2018 +0200
@@ -56,6 +56,7 @@
 						 tal:define="prefix provider:widgets_prefix"
 						 tal:condition="prefix"
 						 tal:content="structure prefix">Widgets prefix</div>
+					<div class="clearfix"></div>
 					<tal:loop repeat="group view.groups">
 						<fieldset tal:define="legend group.legend"
 								  tal:omit-tag="not:legend"

--- a/src/pyams_form/templates/inner-form.pt	Wed Mar 28 15:30:55 2018 +0200
+++ b/src/pyams_form/templates/inner-form.pt	Wed Mar 28 15:49:26 2018 +0200
@@ -41,6 +41,7 @@
 				 tal:define="prefix provider:widgets_prefix"
 				 tal:condition="prefix"
 				 tal:content="structure prefix">Widgets prefix</div>
+			<div class="clearfix"></div>
 			<tal:loop repeat="group view.groups">
 				<fieldset tal:define="legend group.legend"
 						  tal:omit-tag="not:legend"

--- a/src/pyams_form/templates/widget-form.pt	Wed Mar 28 15:30:55 2018 +0200
+++ b/src/pyams_form/templates/widget-form.pt	Wed Mar 28 15:49:26 2018 +0200
@@ -35,6 +35,7 @@
 						 tal:define="prefix provider:widgets_prefix"
 						 tal:condition="prefix"
 						 tal:content="structure prefix">Widgets prefix</div>
+					<div class="clearfix"></div>
 					<tal:loop repeat="group view.groups">
 						<fieldset tal:define="legend group.legend"
 								  tal:omit-tag="not:legend"