Fix buttons position in firefox

ajax/sessionController.php

@@ -92,6 +92,7 @@ class SessionController extends Controller{
 			if ($view->file_put_contents($path, $content)){
 				//Document saved successfully. Cleaning session data
 				Db_Session::cleanUp($esId);
+				$view->touch($path);
 			}
 			\OCP\JSON::success();
 			exit();

css/style.css

@@ -33,7 +33,6 @@
 }
 
 .add-document a.upload{
-	margin-top:-30px;
 }
 
 .add-document label {
@@ -163,9 +162,10 @@
 }
 
 #file_upload_start{
+	display: block;
 	position:relative;
 	left:0; top:0; width:200px; height:100px; 
-	margin-bottom: -200px;padding:0;
+	margin-bottom: -110px;padding:0;
 	cursor:pointer; overflow:hidden;
 	font-size:1em;
 	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; filter:alpha(opacity=0); opacity:0;