diff --git a/htdocs/core/tpl/login.tpl.php b/htdocs/core/tpl/login.tpl.php
index 35f6f8575267fcb2c65a0b01d4568b63c422c247..bcf62d40460ffe508ed1e110b89c5b5f98a3e0d3 100644
--- a/htdocs/core/tpl/login.tpl.php
+++ b/htdocs/core/tpl/login.tpl.php
@@ -49,7 +49,7 @@ print top_htmlhead('', $titleofloginpage, 0, 0, $arrayofjs, array(), 0, $disable
?>
<!-- BEGIN PHP TEMPLATE LOGIN.TPL.PHP -->
-<body class="body bodylogin"<?php print empty($conf->global->MAIN_LOGIN_BACKGROUND)?'':' style="background-size: cover; background-image: url(\''.DOL_URL_ROOT.'/viewimage.php?cache=1&noalt=1&modulepart=mycompany&file='.urlencode($conf->global->MAIN_LOGIN_BACKGROUND).'\')"'; ?>>
+<body class="body bodylogin"<?php print empty($conf->global->MAIN_LOGIN_BACKGROUND)?'':' style="background-size: cover; background-position: center center; background-attachment: fixed; background-repeat: no-repeat; background-image: url(\''.DOL_URL_ROOT.'/viewimage.php?cache=1&noalt=1&modulepart=mycompany&file='.urlencode($conf->global->MAIN_LOGIN_BACKGROUND).'\')"'; ?>>
<?php if (empty($conf->dol_use_jmobile)) { ?>
<script type="text/javascript">
diff --git a/htdocs/core/tpl/passwordforgotten.tpl.php b/htdocs/core/tpl/passwordforgotten.tpl.php
index 57b0793317d8853a40835362dc669aa09e297a0a..f901ed143182975d8e73105110dc6b78381c14a2 100644
--- a/htdocs/core/tpl/passwordforgotten.tpl.php
+++ b/htdocs/core/tpl/passwordforgotten.tpl.php
@@ -35,7 +35,7 @@ print top_htmlhead('',$langs->trans('SendNewPassword'));
?>
<!-- BEGIN PHP TEMPLATE PASSWORDFORGOTTEN.TPL.PHP -->
-<body class="body bodylogin"<?php print empty($conf->global->MAIN_LOGIN_BACKGROUND)?'':' style="background-size: cover; background-image: url(\''.DOL_URL_ROOT.'/viewimage.php?cache=1&noalt=1&modulepart=mycompany&file='.urlencode($conf->global->MAIN_LOGIN_BACKGROUND).'\')"'; ?>>
+<body class="body bodylogin"<?php print empty($conf->global->MAIN_LOGIN_BACKGROUND)?'':' style="background-size: cover; background-position: center center; background-attachment: fixed; background-repeat: no-repeat; background-image: url(\''.DOL_URL_ROOT.'/viewimage.php?cache=1&noalt=1&modulepart=mycompany&file='.urlencode($conf->global->MAIN_LOGIN_BACKGROUND).'\')"'; ?>>
<?php if (empty($conf->dol_use_jmobile)) { ?>
<script type="text/javascript">