Add a sidebar to the DevTools Security panel.

Source/devtools/front_end/security/securityPanel.css

 /* Copyright (c) 2015 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.
  */
 
-.security.panel {
+.security.panel .security-main-view {

[dgozman, 2015/06/26 10:50:49]

You can omit .security.panel where you have .security-main-view in selectors.

[lgarron, 2015/06/26 16:33:31]

Done.

I've also removed .security-main-view before .security-explanation in the
selectors below.

     margin: 1em;
 }
 
 .security.panel .lock-icon,
-.security.panel .security-state {
+.security.panel .security-main-view .security-state {
     display: inline-block;
     margin: 0.2em;
     vertical-align: middle;
 }
 
-.security.panel .security-state {
+.security.panel .security-main-view .security-state {
     font-weight: bold;
     font-size: 1.2em;
 }
 
 .security.panel .lock-icon {
     width: 16px;
     height: 16px;
     border-radius: 2px;
     background-size: cover;
 }
@@ skipping 34 matching lines @@
 
     .security.panel .lock-icon-warning {
         background-image: url(Images/securityStateWarning_2x.png);
     }
 
     .security.panel .lock-icon-secure {
         background-image: url(Images/securityStateSecure_2x.png);
     }
 }
 
-.security.panel .security-explanation {
+.security.panel .security-main-view .security-explanation {
     margin: 16px 0px;
 }
 
-.security.panel .security-explanation .lock-icon {
+.security.panel .security-main-view .security-explanation .lock-icon {
     display: inline-block;
     vertical-align: bottom;
 }
 
-.security.panel .security-explanation .explanation-title {
+.security.panel .security-main-view .security-explanation .explanation-title {
     display: inline-block;
     font-weight: bold;
     font-size: 1.2em;
     margin-left: 4px;
 }
 
-.security.panel .security-explanation .explanation-text {
+.security.panel .security-main-view .security-explanation .explanation-text {
     margin: 4px 0px;
 }