minor language additions and css adjustments

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

lib/formfields/admin/settings/formfield.settings_import.php

@@ -31,7 +31,7 @@ return [
 			'section_a' => [
 				'fields' => [
 					'import_file' => [
-						'label' => 'Chose file for import',
+						'label' => lng('admin.settings_importfile'),
 						'type' => 'file',
 						'mandatory' => true
 					]

lib/formfields/admin/settings/formfield.settings_mailtest.php

@@ -68,6 +68,11 @@ return [
 					]
 				]
 			]
+		],
+		'buttons' => [
+			[
+				'label' => lng('admin.smtptestsend')
+			]
 		]
 	]
 ];