3 files changed, 3 insertions, 3 deletions
diff --git a/mod/groups/views/default/forms/forums/addtopic.php b/mod/groups/views/default/forms/forums/addtopic.php
index af8c0a447..7d61e2514 100644
--- a/mod/groups/views/default/forms/forums/addtopic.php
+++ b/mod/groups/views/default/forms/forums/addtopic.php
@@ -35,7 +35,7 @@
 
 ?>
 <!-- display the input form -->
-<form id="group_addtopic" action="<?php echo elgg_get_site_url(); ?>action/<?php echo $action; ?>" method="post" class="margin_top">
+<form id="group_addtopic" action="<?php echo elgg_get_site_url(); ?>action/<?php echo $action; ?>" method="post" class="margin-top">
 <?php echo elgg_view('input/securitytoken'); ?>
 
 	<p>
diff --git a/mod/groups/views/default/forms/groups/edit.php b/mod/groups/views/default/forms/groups/edit.php
index 32e9f6ff3..d3eb7ac68 100644
--- a/mod/groups/views/default/forms/groups/edit.php
+++ b/mod/groups/views/default/forms/groups/edit.php
@@ -13,7 +13,7 @@
 	}
 	
 ?>
-<form action="<?php echo elgg_get_site_url(); ?>action/groups/edit" id="edit_group" enctype="multipart/form-data" method="post" class="margin_top">
+<form action="<?php echo elgg_get_site_url(); ?>action/groups/edit" id="edit_group" enctype="multipart/form-data" method="post" class="margin-top">
 
 	<?php echo elgg_view('input/securitytoken'); ?>
 
diff --git a/mod/groups/views/default/forms/groups/invite.php b/mod/groups/views/default/forms/groups/invite.php
index 3298a7450..279e11a20 100644
--- a/mod/groups/views/default/forms/groups/invite.php
+++ b/mod/groups/views/default/forms/groups/invite.php
@@ -12,7 +12,7 @@
 
 if ($friends) {
 ?>
-<form action="<?php echo elgg_get_site_url(); ?>action/groups/invite" method="post" id="invite_to_group" class="margin_top">
+<form action="<?php echo elgg_get_site_url(); ?>action/groups/invite" method="post" id="invite_to_group" class="margin-top">
 
 <?php
 	echo elgg_view('input/securitytoken');