diff --git a/htdocs/core/tpl/login.tpl.php b/htdocs/core/tpl/login.tpl.php
index b314104f734..fa1f1aba678 100644
--- a/htdocs/core/tpl/login.tpl.php
+++ b/htdocs/core/tpl/login.tpl.php
@@ -217,7 +217,7 @@ if (isset($conf->file->main_authentication) && preg_match('/openid/',$conf->file
 <?php if ($main_home)
 {
 ?>
-	<div class="center" class="login_main_home" style="max-width: 80%">
+	<div class="login_main_home center" style="max-width: 80%">
 	<?php echo $main_home; ?>
 	</div><br>
 <?php
@@ -280,7 +280,6 @@ if (! empty($conf->google->enabled) && ! empty($conf->global->MAIN_GOOGLE_AD_CLI
 
 
 </div>
-</center>	<!-- end of center -->
 
 
 </body>
diff --git a/htdocs/cron/card.php b/htdocs/cron/card.php
index 17704972170..4c3ac6b6928 100644
--- a/htdocs/cron/card.php
+++ b/htdocs/cron/card.php
@@ -472,8 +472,9 @@ if (($action=="create") || ($action=="edit"))
 
 	print '<div align="center"><br>';
 	print '<input type="submit" name="save" class="button" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 	print '<input type="submit" name="cancel" class="button" value="'.$langs->trans("Cancel").'">';
-	print "</center>";
+	print "</div>";
 
 	print "</form>\n";
 
diff --git a/htdocs/exports/index.php b/htdocs/exports/index.php
index 49e43fbb402..1178a20b236 100644
--- a/htdocs/exports/index.php
+++ b/htdocs/exports/index.php
@@ -102,9 +102,9 @@ if (count($export->array_export_code))
 		print '<a class="butActionRefused" href="#" title="'.dol_escape_htmltag($langs->transnoentitiesnoconv("NotEnoughPermissions")).'">'.$langs->trans("NewExport").'</a>';
 	}
 	/*
-	 print '<center><form action="'.DOL_URL_ROOT.'/exports/export.php?leftmenu=export"><input type="submit" class="button" value="'.$langs->trans("NewExport").'"';
+	 print '<form action="'.DOL_URL_ROOT.'/exports/export.php?leftmenu=export"><input type="submit" class="button" value="'.$langs->trans("NewExport").'"';
 	print ($user->rights->export->creer?'':' disabled="disabled"');
-	print '></form></center>';
+	print '><div class="center"></div></form>';
 	*/
 }
 print '</div>';
diff --git a/htdocs/ftp/admin/ftpclient.php b/htdocs/ftp/admin/ftpclient.php
index ccbde29bfb5..91d6aef388b 100644
--- a/htdocs/ftp/admin/ftpclient.php
+++ b/htdocs/ftp/admin/ftpclient.php
@@ -198,7 +198,8 @@ else
 	
 	print '</table>';
 	
-	?><br><div class="center"><input type="submit" class="button" value="<?php echo $langs->trans("Add") ?>"></center>
+	?>
+	<br><div class="center"><input type="submit" class="button" value="<?php echo $langs->trans("Add") ?>"></div>
 	<input type="hidden" name="action" value="add">
 	<input type="hidden" name="numero_entry" value="<?php echo ($lastftpentry+1) ?>">
 	<?php
diff --git a/htdocs/opensurvey/wizard/choix_date.php b/htdocs/opensurvey/wizard/choix_date.php
index f0f5600f286..0d52b360ddb 100644
--- a/htdocs/opensurvey/wizard/choix_date.php
+++ b/htdocs/opensurvey/wizard/choix_date.php
@@ -507,7 +507,7 @@ if (issetAndNoEmpty('totalchoixjour', $_SESSION) || $erreur)
 
 	for ($i = 0; $i < $_SESSION["nbrecaseshoraires"]; $i++) {
 		$j = $i+1;
-		print '<td classe="somme">'. $langs->trans("Time") .' '.$j.'</center></td>'."\n";
+		print '<td classe="somme"><div class="center">'. $langs->trans("Time") .' '.$j.'</div></td>'."\n";
 	}
 
 	if ($_SESSION["nbrecaseshoraires"] < 10) {