diff --git a/htdocs/commande/orderstoinvoice.php b/htdocs/commande/orderstoinvoice.php
index 5d9a6b5855a..512da366ea8 100755
--- a/htdocs/commande/orderstoinvoice.php
+++ b/htdocs/commande/orderstoinvoice.php
@@ -406,7 +406,7 @@ if ($action == 'create')
 	print $desc;
 	print '</td></tr>'."\n";
 	print '</table>';
-	
+
 	// Date invoice
 	print '<tr><td class="fieldrequired">'.$langs->trans('Date').'</td><td colspan="2">';
 	$html->select_date(0,'','','','',"add",1,1);
@@ -478,7 +478,7 @@ if ($action == 'create')
 	// Button "Create Draft"
 	print '<br><center><input type="submit" class="button" name="bouton" value="'.$langs->trans('CreateDraft').'" /></center>';
 	print "</form>\n";
-	
+
 	print '</td></tr>';
 	print "</table>\n";
 }
@@ -672,7 +672,7 @@ if (($action != 'create' && $action != 'add') || ! empty($mesgs))
 		print '<input type="hidden" name="action" value="create">';
 		print '<input type="hidden" name="origin" value="commande"><br>';
 		print '<a class="butAction" href="index.php">'.$langs->trans("GoBack").'</a>';
-		print '<input type="submit" class="button" value='.$langs->trans("GenerateBill").'>';
+		print '<input type="submit" class="butAction" value='.$langs->trans("GenerateBill").'>';
 		print '<center><br><input type="checkbox" checked="checked" name="autocloseorders"> '.$langs->trans("CloseProcessedOrdersAutomatically");
 		print '</div>';
 		print '</form>';
diff --git a/htdocs/theme/bureau2crea/style.css.php b/htdocs/theme/bureau2crea/style.css.php
index bad4dd11af1..28216be4411 100644
--- a/htdocs/theme/bureau2crea/style.css.php
+++ b/htdocs/theme/bureau2crea/style.css.php
@@ -1217,7 +1217,7 @@ span.tabspan {
 
 /* Nouvelle syntaxe a utiliser */
 
-.butAction:link, .butAction:visited, .butAction:hover, .butAction:active, .butActionDelete, .butActionDelete:link, .butActionDelete:visited, .butActionDelete:hover, .butActionDelete:active {
+.butAction, .butAction:link, .butAction:visited, .butAction:hover, .butAction:active, .butActionDelete, .butActionDelete:link, .butActionDelete:visited, .butActionDelete:hover, .butActionDelete:active {
 	font-family:"Trebuchet MS",Arial,Helvetica,sans-serif;
 	font-weight: bold;
 	background: url(<?php echo DOL_URL_ROOT.'/theme/bureau2crea/img/bg_btnBlue.jpg' ?>) repeat-x;