diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index bd7fa7b6fd4..cedbbfbbc58 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -3357,18 +3357,19 @@ function img_searchclear($titlealt = 'default', $other = '')
  *	@param  integer	$infoonimgalt	Info is shown only on alt of star picto, otherwise it is show on output after the star picto
  *	@param	int		$nodiv			No div
  *  @param  string  $admin          '1'=Info for admin users. '0'=Info for standard users (change only the look), 'xxx'=Other
+ *  @param	string	$morecss		More CSS
  *	@return	string					String with info text
  */
-function info_admin($text, $infoonimgalt = 0, $nodiv=0, $admin='1')
+function info_admin($text, $infoonimgalt = 0, $nodiv=0, $admin='1', $morecss='')
 {
 	global $conf, $langs;
 
 	if ($infoonimgalt)
 	{
-		return img_picto($text, 'info', 'class="hideonsmartphone"');
+		return img_picto($text, 'info', 'class="hideonsmartphone'.($morecss?' '.$morecss:'').'"');
 	}
 
-	return ($nodiv?'':'<div class="'.(empty($admin)?'':($admin=='1'?'info':$admin)).' hideonsmartphone">').'<span class="fa fa-info-circle" title="'.dol_escape_htmltag($admin?$langs->trans('InfoAdmin'):$langs->trans('Note')).'"></span> '.$text.($nodiv?'':'</div>');
+	return ($nodiv?'':'<div class="'.(empty($admin)?'':($admin=='1'?'info':$admin)).' hideonsmartphone'.($morecss?' '.$morecss:'').'">').'<span class="fa fa-info-circle" title="'.dol_escape_htmltag($admin?$langs->trans('InfoAdmin'):$langs->trans('Note')).'"></span> '.$text.($nodiv?'':'</div>');
 }
 
 
diff --git a/htdocs/index.php b/htdocs/index.php
index 867f305a680..b01e37927c4 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -656,7 +656,7 @@ if ($user->admin && empty($conf->global->MAIN_REMOVE_INSTALL_WARNING))
     {
         $langs->load("errors");
         //if (! empty($message)) $message.='<br>';
-        $message.=info_admin($langs->trans("WarningLockFileDoesNotExists",DOL_DATA_ROOT).' '.$langs->trans("WarningUntilDirRemoved",DOL_DOCUMENT_ROOT."/install"));
+        $message.=info_admin($langs->trans("WarningLockFileDoesNotExists",DOL_DATA_ROOT).' '.$langs->trans("WarningUntilDirRemoved", DOL_DOCUMENT_ROOT."/install"), 0, 0, '1', 'clearboth');
     }
 
     // Conf files must be in read only mode
@@ -665,7 +665,7 @@ if ($user->admin && empty($conf->global->MAIN_REMOVE_INSTALL_WARNING))
         $langs->load("errors");
         //$langs->load("other");
         //if (! empty($message)) $message.='<br>';
-        $message.=info_admin($langs->transnoentities("WarningConfFileMustBeReadOnly").' '.$langs->trans("WarningUntilDirRemoved",DOL_DOCUMENT_ROOT."/install"));
+        $message.=info_admin($langs->transnoentities("WarningConfFileMustBeReadOnly").' '.$langs->trans("WarningUntilDirRemoved", DOL_DOCUMENT_ROOT."/install"), 0, 0, '1', 'clearboth');
     }
 
     if ($message)