DevTools: traverse widget hierarchy to reveal views.

third_party/WebKit/Source/devtools/front_end/ui/viewContainers.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-.sidebar-pane-container .info {
-    text-align: center;
-    font-style: italic;
-    padding: 6px;
-    color: #888;
-}
-
 .sidebar-hidden-override {
     display: none !important;
 }
 
-.sidebar-pane-title {
+.expandable-view-title {
     display: flex;
     align-items: center;
     background-color: #eee;
     height: 20px;
     padding: 0 5px;
     border-top: 1px solid #dadada;
     white-space: nowrap;
     overflow: hidden;
     position: relative;
 }
 
-.sidebar-pane-title.expanded,
-.sidebar-pane-title:last-child {
+.expandable-view-title.expanded,
+.expandable-view-title:last-child {
     border-bottom: 1px solid #ddd;
 }
 
-.sidebar-pane-title::before {
+.expandable-view-title::before {
     -webkit-mask-image: url(Images/toolbarButtonGlyphs.png);
     -webkit-mask-size: 352px 168px;
     background-color: #888;
     float: left;
     width: 11px;
     height: 11px;
     margin-right: 2px;
     content: "a";
     color: transparent;
     flex-shrink: 0;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
-.sidebar-pane-title::before {
+.expandable-view-title::before {
     -webkit-mask-image: url(Images/toolbarButtonGlyphs_2x.png);
 }
 } /* media */
 
-.sidebar-pane-title::before {
+.expandable-view-title::before {
     -webkit-mask-position: -4px -96px;
 }
 
-.sidebar-pane-title.expanded::before {
+.expandable-view-title.expanded::before {
     -webkit-mask-position: -20px -96px;
 }
 
+.expandable-view-title > .toolbar {
+    position: absolute;
+    right: 0;
+    top: -3px;
+}
+
+.sidebar-pane-container .toolbar {
+    border-bottom: 1px solid #eee;
+}
+
 .sidebar-pane-container .toolbar > * {
     pointer-events: auto;
 }
-
-.sidebar-pane-title > .toolbar {
-    position: absolute;
-    right: 0;
-    top: -3px;
-}