diff --git a/htdocs/product/price.php b/htdocs/product/price.php
index 3ff496356a8..bfd0b91fc5f 100644
--- a/htdocs/product/price.php
+++ b/htdocs/product/price.php
@@ -669,8 +669,11 @@ if ($action == 'edit_price' && ($user->rights->produit->creer || $user->rights->
 
 		print '</table>';
 
-		print '<center><br><input type="submit" class="button" value="' . $langs->trans("Save") . '">&nbsp;';
-		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '"></center>';
+		print '<br><div class="center">';
+		print '<input type="submit" class="button" value="' . $langs->trans("Save") . '">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '">';
+		print '</div>';
 
 		print '<br></form>';
 	} else {
@@ -930,8 +933,11 @@ if (! empty($conf->global->PRODUIT_CUSTOMER_PRICES)) {
 
 		print '</table>';
 
-		print '<center><br><input type="submit" class="button" value="' . $langs->trans("Save") . '">&nbsp;';
-		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '"></center>';
+		print '<br><div class="center">';
+		print '<input type="submit" class="button" value="' . $langs->trans("Save") . '">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '">';
+		print '</div>';
 
 		print '<br></form>';
 	} elseif ($action == 'edit_customer_price') {
@@ -1012,8 +1018,11 @@ if (! empty($conf->global->PRODUIT_CUSTOMER_PRICES)) {
 
 		print '</table>';
 
-		print '<center><br><input type="submit" class="button" value="' . $langs->trans("Save") . '">&nbsp;';
-		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '"></center>';
+		print '<br><div class="center">';
+		print '<input type="submit" class="button" value="' . $langs->trans("Save") . '">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '">';
+		print '</div>';
 
 		print '<br></form>';
 	} elseif ($action == 'showlog_customer_price') {
diff --git a/htdocs/product/stock/card.php b/htdocs/product/stock/card.php
index 051a0575aaa..74cb33e02e7 100644
--- a/htdocs/product/stock/card.php
+++ b/htdocs/product/stock/card.php
@@ -206,7 +206,9 @@ if ($action == 'create')
 
 	print '</table>';
 
-	print '<center><br><input type="submit" class="button" value="'.$langs->trans("Create").'"></center>';
+	print '<br><div class="center">';
+	print '<input type="submit" class="button" value="'.$langs->trans("Create").'">';
+	print '</div>';
 
 	print '</form>';
 }
@@ -538,8 +540,11 @@ else
 
 			print '</table>';
 
-			print '<center><br><input type="submit" class="button" value="'.$langs->trans("Save").'">&nbsp;';
-			print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+			print '<br><div class="center">';
+			print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+			print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+			print '</div>';
 
 			print '</form>';
 
diff --git a/htdocs/product/stock/mouvement.php b/htdocs/product/stock/mouvement.php
index 83d856ed0cc..1bac6b9fef5 100644
--- a/htdocs/product/stock/mouvement.php
+++ b/htdocs/product/stock/mouvement.php
@@ -332,9 +332,13 @@ if ($resql)
 
         print '</table>';
 
-        print '<center><input type="submit" class="button" value="'.$langs->trans('Save').'">&nbsp;';
-        print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
-        print '</form>';
+        print '<div class="center">';
+		print '<input type="submit" class="button" value="'.$langs->trans('Save').'">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+        print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+		print '</div>';
+        
+		print '</form>';
     }
 
     /*
@@ -370,8 +374,11 @@ if ($resql)
 
         print '</table>';
 
-        print '<center><input type="submit" class="button" value="'.$langs->trans('Save').'">&nbsp;';
-        print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+        print '<div class="center">';
+		print '<input type="submit" class="button" value="'.$langs->trans('Save').'">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+        print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+		print '</div>';
 
         print '</form>';
     }
diff --git a/htdocs/product/stock/product.php b/htdocs/product/stock/product.php
index 96ecdb1d95d..a1a2b2be669 100644
--- a/htdocs/product/stock/product.php
+++ b/htdocs/product/stock/product.php
@@ -483,8 +483,11 @@ if ($id > 0 || $ref)
 		}
 		print '</table>';
 
-		print '<center><input type="submit" class="button" value="'.$langs->trans('Save').'">&nbsp;';
-		print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+		print '<div class="center">';
+		print '<input type="submit" class="button" value="'.$langs->trans('Save').'">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+		print '</div>';
 		print '</form>';
 	}
 
@@ -519,8 +522,11 @@ if ($id > 0 || $ref)
 
 		print '</table>';
 
-		print '<center><input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans('Save')).'">&nbsp;';
-		print '<input type="submit" class="button" name="cancel" value="'.dol_escape_htmltag($langs->trans("Cancel")).'"></center>';
+		print '<div class="center">';
+		print '<input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans('Save')).'">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input type="submit" class="button" name="cancel" value="'.dol_escape_htmltag($langs->trans("Cancel")).'">';
+		print '</div>';
 
 		print '</form>';
 	}
diff --git a/htdocs/product/traduction.php b/htdocs/product/traduction.php
index cd7e4cdcb3c..34b38fe8919 100644
--- a/htdocs/product/traduction.php
+++ b/htdocs/product/traduction.php
@@ -217,9 +217,11 @@ if ($action == 'edit')
 		}
 	}
 
-	print '<br><center>';
-	print '<input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; ';
-	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<br><div class="center">';
+	print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
 	print '</form>';
 
@@ -300,9 +302,11 @@ if ($action == 'add' && ($user->rights->produit->creer || $user->rights->service
 	print '</tr>';
 	print '</table>';
 
-	print '<br><center>';
-	print '<input type="submit" class="button" value="'.$langs->trans("Save").'"> &nbsp; &nbsp; ';
-	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'"></center>';
+	print '<br><div class="center">';
+	print '<input type="submit" class="button" value="'.$langs->trans("Save").'">';
+	print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
+	print '</div>';
 
 	print '</form>';
 
diff --git a/htdocs/projet/card.php b/htdocs/projet/card.php
index f60d56cb633..e4e85345ec8 100644
--- a/htdocs/projet/card.php
+++ b/htdocs/projet/card.php
@@ -471,14 +471,14 @@ if ($action == 'create' && $user->rights->projet->creer)
 
     print '</table>';
 
-    print '<br><center>';
+    print '<br><div class="center">';
     print '<input type="submit" class="button" value="'.$langs->trans("Create").'">';
     if (! empty($backtopage))
     {
         print ' &nbsp; &nbsp; ';
 	    print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
     }
-    print '</center>';
+    print '</div>';
 
     print '</form>';
 
diff --git a/htdocs/projet/tasks/task.php b/htdocs/projet/tasks/task.php
index 73400bbcc6e..5d5c4f08e40 100644
--- a/htdocs/projet/tasks/task.php
+++ b/htdocs/projet/tasks/task.php
@@ -372,10 +372,11 @@ if ($id > 0 || ! empty($ref))
 
 			print '</table>';
 
-			print '<center><br>';
-			print '<input type="submit" class="button" name="update" value="'.$langs->trans("Modify").'"> &nbsp; ';
+			print '<br><div class="center">';
+			print '<input type="submit" class="button" name="update" value="'.$langs->trans("Modify").'">';
+			print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 			print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-			print '<center>';
+			print '</div>';
 
 			print '</form>';
 		}
diff --git a/htdocs/public/demo/index.php b/htdocs/public/demo/index.php
index 8ee00d83515..dba28538780 100644
--- a/htdocs/public/demo/index.php
+++ b/htdocs/public/demo/index.php
@@ -305,7 +305,7 @@ print "\n";
 print '<table style="font-size:14px;" class="centpercent" summary="Main table for Dolibarr demos">';
 
 print '<tr><td>';
-print '<center><img src="'.DOL_URL_ROOT.'/theme/dolibarr_logo.png" alt="Dolibarr logo"></center><br>';
+print '<div class="center"><img src="'.DOL_URL_ROOT.'/theme/dolibarr_logo.png" alt="Dolibarr logo"></div><br>';
 print '<br>';
 
 print $langs->trans("DemoDesc").'<br>';
diff --git a/htdocs/public/members/new.php b/htdocs/public/members/new.php
index c8628bd26a0..bb218e4c0cf 100644
--- a/htdocs/public/members/new.php
+++ b/htdocs/public/members/new.php
@@ -110,9 +110,9 @@ function llxHeaderVierge($title, $head="", $disablejs=0, $disablehead=0, $arrayo
     {
         $urllogo=DOL_URL_ROOT.'/theme/dolibarr_logo.png';
     }
-    print '<center>';
+    print '<div class="center">';
     print '<img alt="Logo" id="logosubscribe" title="" src="'.$urllogo.'" />';
-    print '</center><br>';
+    print '</div><br>';
 
     print '<div style="margin-left: 50px; margin-right: 50px;">';
 }
@@ -343,9 +343,9 @@ if ($action == 'added')
 
     // Si on a pas ete redirige
     print '<br>';
-    print '<center>';
+    print '<div class="center">';
     print $langs->trans("NewMemberbyWeb");
-    print '</center>';
+    print '</div>';
 
     llxFooterVierge();
     exit;
@@ -591,13 +591,13 @@ if (! empty($conf->global->MEMBER_NEWFORM_AMOUNT)
 print "</table>\n";
 
 // Save
-print '<br><center>';
+print '<br><div class="center">';
 print '<input type="submit" value="'.$langs->trans("Save").'" id="submitsave" class="button">';
 if (! empty($backtopage))
 {
     print ' &nbsp; &nbsp; <input type="submit" value="'.$langs->trans("Cancel").'" id="submitcancel" class="button">';
 }
-print '</center>';
+print '</div>';
 
 print "<br></div></form>\n";
 print '</div>';
diff --git a/htdocs/public/paybox/newpayment.php b/htdocs/public/paybox/newpayment.php
index 47a93e39c32..0213ee7f6fa 100644
--- a/htdocs/public/paybox/newpayment.php
+++ b/htdocs/public/paybox/newpayment.php
@@ -166,7 +166,7 @@ if (! empty($conf->global->$paramcreditor)) $creditor=$conf->global->$paramcredi
 else if (! empty($conf->global->PAYBOX_CREDITOR)) $creditor=$conf->global->PAYBOX_CREDITOR;
 
 print '<span id="dolpaymentspan"></span>'."\n";
-print '<center>';
+print '<div class="center">';
 print '<form id="dolpaymentform" name="paymentform" action="'.$_SERVER["PHP_SELF"].'" method="POST">';
 print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
 print '<input type="hidden" name="action" value="dopayment">';
@@ -778,7 +778,7 @@ print '</td></tr>'."\n";
 
 print '</table>'."\n";
 print '</form>'."\n";
-print '</center>'."\n";
+print '</div>'."\n";
 print '<br>';
 
 
diff --git a/htdocs/public/paypal/newpayment.php b/htdocs/public/paypal/newpayment.php
index afe685fb6ac..2cd56778f83 100644
--- a/htdocs/public/paypal/newpayment.php
+++ b/htdocs/public/paypal/newpayment.php
@@ -268,7 +268,7 @@ if (! empty($conf->global->$paramcreditor)) $creditor=$conf->global->$paramcredi
 else if (! empty($conf->global->PAYPAL_CREDITOR)) $creditor=$conf->global->PAYPAL_CREDITOR;
 
 print '<span id="dolpaymentspan"></span>'."\n";
-print '<center>'."\n";
+print '<div class="center">'."\n";
 print '<form id="dolpaymentform" name="paymentform" action="'.$_SERVER["PHP_SELF"].'" method="POST">'."\n";
 print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">'."\n";
 print '<input type="hidden" name="action" value="dopayment">'."\n";
@@ -959,7 +959,7 @@ print '</td></tr>'."\n";
 
 print '</table>'."\n";
 print '</form>'."\n";
-print '</center>'."\n";
+print '</div>'."\n";
 print '<br>';
 
 
diff --git a/htdocs/societe/checkvat/checkVatPopup.php b/htdocs/societe/checkvat/checkVatPopup.php
index 20c9068d4f6..748ba690ea0 100644
--- a/htdocs/societe/checkvat/checkVatPopup.php
+++ b/htdocs/societe/checkvat/checkVatPopup.php
@@ -158,7 +158,7 @@ else
 print '<br>';
 print $langs->trans("VATIntraManualCheck",$langs->trans("VATIntraCheckURL"),$langs->trans("VATIntraCheckURL")).'<br>';
 print '<br>';
-print '<center><input type="button" class="button" value="'.$langs->trans("CloseWindow").'" onclick="javascript: window.close()"></center>';
+print '<div class="center"><input type="button" class="button" value="'.$langs->trans("CloseWindow").'" onclick="javascript: window.close()"></div>';
 
 if ($messagetoshow)
 {
diff --git a/htdocs/societe/price.php b/htdocs/societe/price.php
index 7ab39a10ddc..0932144a860 100644
--- a/htdocs/societe/price.php
+++ b/htdocs/societe/price.php
@@ -292,8 +292,11 @@ if (! empty($conf->global->PRODUIT_CUSTOMER_PRICES)) {
 
 		print '</table>';
 
-		print '<center><br><input type="submit" class="button" value="' . $langs->trans("Save") . '">&nbsp;';
-		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '"></center>';
+		print '<br><div align="center">';
+		print '<input type="submit" class="button" value="' . $langs->trans("Save") . '">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '">';
+		print '</div>';
 
 		print '<br></form>';
 	} elseif ($action == 'edit_customer_price') {
@@ -368,8 +371,11 @@ if (! empty($conf->global->PRODUIT_CUSTOMER_PRICES)) {
 
 		print '</table>';
 
-		print '<center><br><input type="submit" class="button" value="' . $langs->trans("Save") . '">&nbsp;';
-		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '"></center>';
+		print '<br><div class="center">';
+		print '<input type="submit" class="button" value="' . $langs->trans("Save") . '">';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+		print '<input type="submit" class="button" name="cancel" value="' . $langs->trans("Cancel") . '">';
+		print '</div>';
 
 		print '<br></form>';
 	} elseif ($action == 'showlog_customer_price') {
diff --git a/htdocs/societe/rib.php b/htdocs/societe/rib.php
index 01d82ac0867..68ade0431aa 100644
--- a/htdocs/societe/rib.php
+++ b/htdocs/societe/rib.php
@@ -497,9 +497,11 @@ if ($socid && $action == 'edit' && $user->rights->societe->creer)
 
     print '</table><br>';
 
-    print '<center><input class="button" value="'.$langs->trans("Modify").'" type="submit">';
-    print ' &nbsp; <input name="cancel" class="button" value="'.$langs->trans("Cancel").'" type="submit">';
-    print '</center>';
+    print '<div align="center">';
+	print '<input class="button" value="'.$langs->trans("Modify").'" type="submit">';
+    print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
+	print '<input class="button" name="cancel" value="'.$langs->trans("Cancel").'" type="submit">';
+    print '</div>';
 
     print '</form>';
 }
@@ -577,9 +579,11 @@ if ($socid && $action == 'create' && $user->rights->societe->creer)
 
     print '</table><br>';
 
-    print '<center><input class="button" value="'.$langs->trans("Add").'" type="submit">';
-    print ' &nbsp; <input name="cancel" class="button" value="'.$langs->trans("Cancel").'" type="submit">';
-    print '</center>';
+    print '<div align="center">';
+	print '<input class="button" value="'.$langs->trans("Add").'" type="submit">';
+    print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'; 
+	print '<input name="cancel" class="button" value="'.$langs->trans("Cancel").'" type="submit">';
+    print '</div>';
 
     print '</form>';
 }
diff --git a/htdocs/societe/soc.php b/htdocs/societe/soc.php
index 62869daf366..d9fb4c0159f 100644
--- a/htdocs/societe/soc.php
+++ b/htdocs/societe/soc.php
@@ -1095,9 +1095,9 @@ else
 
         print '</table>'."\n";
 
-        print '<br><center>';
+        print '<br><div align="center">';
         print '<input type="submit" class="button" value="'.$langs->trans('AddThirdParty').'">';
-        print '</center>'."\n";
+        print '</div>'."\n";
 
         print '</form>'."\n";
     }
@@ -1608,11 +1608,11 @@ else
             print '</table>';
             print '<br>';
 
-            print '<center>';
+            print '<div align="center">';
             print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-            print ' &nbsp; &nbsp; ';
+            print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
             print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-            print '</center>';
+            print '</div>';
 
             print '</form>';
 
diff --git a/htdocs/user/agenda_extsites.php b/htdocs/user/agenda_extsites.php
index 1993f12bd5c..2077c7e73e1 100644
--- a/htdocs/user/agenda_extsites.php
+++ b/htdocs/user/agenda_extsites.php
@@ -174,9 +174,9 @@ while ($i <= $MAXAGENDA)
 print '</table>';
 print '<br>';
 
-print '<center>';
+print '<div class="center">';
 print "<input type=\"submit\" id=\"save\" name=\"save\" class=\"button hideifnotset\" value=\"".$langs->trans("Save")."\">";
-print "</center>";
+print "</div>";
 
 print "</form>\n";
 
diff --git a/htdocs/user/card.php b/htdocs/user/card.php
index 429bcc91130..fe86717a4c9 100644
--- a/htdocs/user/card.php
+++ b/htdocs/user/card.php
@@ -1009,7 +1009,7 @@ if (($action == 'create') || ($action == 'adduserldap'))
 
  	print "</table>\n";
 
-    print '<center><br><input class="button" value="'.$langs->trans("CreateUser").'" name="create" type="submit"></center>';
+    print '<br><div align="center"><input class="button" value="'.$langs->trans("CreateUser").'" name="create" type="submit"></div>';
 
     print "</form>";
 }
@@ -2126,11 +2126,11 @@ else
 
             print '</table>';
 
-            print '<br><center>';
+            print '<br><div align="center">';
             print '<input value="'.$langs->trans("Save").'" class="button" type="submit" name="save">';
-            print ' &nbsp; ';
+            print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
             print '<input value="'.$langs->trans("Cancel").'" class="button" type="submit" name="cancel">';
-            print '</center>';
+            print '</div>';
 
             print '</form>';
 
diff --git a/htdocs/user/clicktodial.php b/htdocs/user/clicktodial.php
index 3dc3c14cc12..f72a8eb0f15 100644
--- a/htdocs/user/clicktodial.php
+++ b/htdocs/user/clicktodial.php
@@ -155,10 +155,10 @@ if ($id > 0)
 
         print '</table>';
 
-        print '<br><center><input class="button" type="submit" value="'.$langs->trans("Save").'">';
-        print ' &nbsp; &nbsp; ';
+        print '<br><div align="center"><input class="button" type="submit" value="'.$langs->trans("Save").'">';
+        print '&nbsp;&nbsp;&nbsp;&nbsp&nbsp;';
         print '<input class="button" type="submit" name="cancel" value="'.$langs->trans("Cancel").'">';
-        print '</center>';
+        print '</div>';
 
         print '</form>';
     }
diff --git a/htdocs/user/group/card.php b/htdocs/user/group/card.php
index a1930f7c027..5f79c939432 100644
--- a/htdocs/user/group/card.php
+++ b/htdocs/user/group/card.php
@@ -264,7 +264,7 @@ if ($action == 'create')
 
     print "</table>\n";
 
-    print '<center><br><input class="button" value="'.$langs->trans("CreateGroup").'" type="submit"></center>';
+    print '<br><div class="center"><input class="button" value="'.$langs->trans("CreateGroup").'" type="submit"></div>';
 
     print "</form>";
 }
@@ -536,7 +536,7 @@ else
 
             print "</table>\n";
 
-            print '<center><br><input class="button" value="'.$langs->trans("Save").'" type="submit"></center>';
+            print '<br><div class="center"><input class="button" value="'.$langs->trans("Save").'" type="submit"></div>';
 
             print '</form>';
 
diff --git a/htdocs/user/note.php b/htdocs/user/note.php
index 448dd76d147..2a992aa3212 100644
--- a/htdocs/user/note.php
+++ b/htdocs/user/note.php
@@ -133,11 +133,11 @@ if ($id)
 
 	if ($action == 'edit')
 	{
-		print '<center><br>';
+		print '<br><div class="center">';
 		print '<input type="submit" class="button" name="update" value="'.$langs->trans("Save").'">';
-		print '&nbsp; &nbsp;';
+		print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 		print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-		print '</center>';
+		print '</div>';
 	}
 
 	print "</form>\n";
diff --git a/htdocs/user/param_ihm.php b/htdocs/user/param_ihm.php
index 65e9e4ca7a6..3bca4cbee47 100644
--- a/htdocs/user/param_ihm.php
+++ b/htdocs/user/param_ihm.php
@@ -202,11 +202,11 @@ if ($action == 'edit')
     dol_fiche_end();
 
 
-    print '<center>';
+    print '<div class="center">';
     print '<input type="submit" class="button" name="save" value="'.$langs->trans("Save").'">';
-    print ' &nbsp; &nbsp; ';
+    print '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
     print '<input type="submit" class="button" name="cancel" value="'.$langs->trans("Cancel").'">';
-    print '</center>';
+    print '</div>';
 
     print '</form>';
 
diff --git a/htdocs/webservices/admin/webservices.php b/htdocs/webservices/admin/webservices.php
index a12f638a174..431150bd9e9 100644
--- a/htdocs/webservices/admin/webservices.php
+++ b/htdocs/webservices/admin/webservices.php
@@ -90,9 +90,9 @@ print '</tr>';
 
 print '</table>';
 
-print '<br><center>';
+print '<br><div class="center">';
 print '<input type="submit" name="save" class="button" value="'.$langs->trans("Save").'">';
-print '</center>';
+print '</div>';
 
 print '</form>';