DevTools: Fix elementsPanel.css broken after r151402

Source/devtools/front_end/elementsPanel.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.
@@ skipping 336 matching lines @@
     opacity: 0.55;
     width: 8px;
     height: 10px;
     display: inline-block;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
 .styles-section.matched-styles .properties li.parent .expand-element {
     background-image: url(Images/statusbarButtonGlyphs2x.png);
 }
-} /* media* /
+} /* media */
 
 .styles-section.matched-styles .properties li.parent .expand-element {
     background-position: -4px -96px;
 }
 
 .styles-section.matched-styles .properties li.parent.expanded .expand-element {
     background-position: -20px -96px;
 }
 
 .styles-section .properties li .info {
@@ skipping 227 matching lines @@
 .panel.elements .sidebar-pane-toolbar > select > hr {
     color: black;
 }
 
 .styles-section:not(.read-only) .properties .webkit-css-property.styles-panel-hovered,
 .styles-section:not(.read-only) .properties .value .styles-panel-hovered,
 .styles-section:not(.read-only) .properties .value.styles-panel-hovered {
     text-decoration: underline;
     cursor: default;
 }