feedback: fix buttons overlapping text in long-text locales

chrome/browser/resources/feedback/css/feedback.css

 /* Copyright 2013 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
 
 html {
   height: 100%;
 }
 
 body {
@@ skipping 116 matching lines @@
   line-height: 15px;
   margin-bottom: 20px;
   margin-top: 20px;
 }
 
 .content .buttons-pane {
   bottom: 20px;
   display: -webkit-flex;
   justify-content: flex-end;
   left: 20px;
+  right: 20px;
+}
+
+.content .top-buttons {
   position: absolute;
-  right: 20px;
 }
 
 .content .remove-file-button {
   -webkit-margin-start: 5px;
   background-color: transparent;
   background-image: -webkit-image-set(
       url(chrome://resources/images/apps/button_butter_bar_close.png) 1x,
       url(chrome://resources/images/2x/apps/button_butter_bar_close.png) 2x);
   background-position: 50% 80%;
   background-repeat: no-repeat;
@@ skipping 43 matching lines @@
   height: 50px;
   margin-bottom: 20px;
   margin-top: 120px;
 }
 
 .srt-body {
   font-size: 14px;
   line-height: 24px;
   margin: 0 40px;
 }