Fix some minor typos: psuedo -> pseudo

components/dom_distiller/core/css/distilledpage.css

 /* Copyright 2014 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. */
 
 /* Set the global 'box-sizing' state to 'border-box'.
- * *::after and *::before used to select psuedo-elements not selectable by *. */
+ * *::after and *::before used to select pseudo-elements not selectable by *. */
 
 *,
 *::after,
 *::before {
   box-sizing: border-box;
 }
 
 /* Remove all margins and padding from certain element and add word wrap. */
 
 blockquote,
@@ skipping 655 matching lines @@
   border-color: rgb(250,36,36);
 }
 
 #loader.red .circle.red .mask.first .mover {
   background-color: rgb(33,89,189);
 }
 
 #loader.red .circle.red .mask.second .mover {
   background-color: rgb(250,36,36);
 }