chrome/browser/resources/chromeos/first_run/preload.css

   1 /**
   2  * Copyright 2014 The Chromium Authors. All rights reserved.
   3  * Use of this source code is governed by a BSD-style license that can be
   4  * found in the LICENSE file.
   5  */
   6
   7 /**
   8  * Preloads images. Without preloading, background image starts loading in
   9  * the moment when CSS property is applied. Image loading has visible delay and
  10  * looks like defect.
  11  */
  12
  13 @media all and (-webkit-max-device-pixel-ratio: 1.5) {
  14   body::after {
  15     content:
  16         url(chrome://resources/images/apps/button.png)
  17         url(chrome://resources/images/apps/button_hover.png)
  18         url(chrome://resources/images/apps/button_pressed.png)
  19         url(chrome://resources/images/apps/button_focused.png)
  20         url(chrome://resources/images/apps/button_focused_hover.png)
  21         url(chrome://resources/images/apps/button_focused_pressed.png)
  22         url(chrome://resources/images/apps/button_inactive.png)
  23         url(chrome://resources/images/apps/blue_button.png)
  24         url(chrome://resources/images/apps/blue_button_hover.png)
  25         url(chrome://resources/images/apps/blue_button_pressed.png)
  26         url(chrome://resources/images/apps/blue_button_focused.png)
  27         url(chrome://resources/images/apps/blue_button_focused_hover.png)
  28         url(chrome://resources/images/apps/blue_button_focused_pressed.png)
  29         url(chrome://resources/images/apps/blue_button_inactive.png);
  30     display: none;
  31   }
  32 }
  33
  34 @media all and (-webkit-min-device-pixel-ratio: 1.5) {
  35   body::after {
  36     content:
  37         url(chrome://resources/images/2x/apps/button.png)
  38         url(chrome://resources/images/2x/apps/button_hover.png)
  39         url(chrome://resources/images/2x/apps/button_pressed.png)
  40         url(chrome://resources/images/2x/apps/button_focused.png)
  41         url(chrome://resources/images/2x/apps/button_focused_hover.png)
  42         url(chrome://resources/images/2x/apps/button_focused_pressed.png)
  43         url(chrome://resources/images/2x/apps/button_inactive.png)
  44         url(chrome://resources/images/2x/apps/blue_button.png)
  45         url(chrome://resources/images/2x/apps/blue_button_hover.png)
  46         url(chrome://resources/images/2x/apps/blue_button_pressed.png)
  47         url(chrome://resources/images/2x/apps/blue_button_focused.png)
  48         url(chrome://resources/images/2x/apps/blue_button_focused_hover.png)
  49         url(chrome://resources/images/2x/apps/blue_button_focused_pressed.png)
  50         url(chrome://resources/images/2x/apps/blue_button_inactive.png);
  51     display: none;
  52   }
  53 }