DevTools: [SSP] fix styling of media query links

Source/devtools/front_end/elements/StylesSidebarPane.js

Index: Source/devtools/front_end/elements/StylesSidebarPane.js
diff --git a/Source/devtools/front_end/elements/StylesSidebarPane.js b/Source/devtools/front_end/elements/StylesSidebarPane.js
index a79f85f7d841cad214b08d577fff06984535ff86..28c3da877d3460293b6a8940f7b9abd82217f034 100644
--- a/Source/devtools/front_end/elements/StylesSidebarPane.js
+++ b/Source/devtools/front_end/elements/StylesSidebarPane.js
@@ -1158,9 +1158,9 @@ WebInspector.StylePropertiesSection.prototype = {
             var media = mediaRules[i];
             var mediaDataElement = this._mediaListElement.createChild("div", "media");
             if (media.sourceURL) {
-                var refElement = mediaDataElement.createChild("div", "subtitle");
                 var anchor = this._parentPane._linkifier.linkifyMedia(media);
-                refElement.appendChild(anchor);
+                anchor.classList.add("subtitle");
+                mediaDataElement.appendChild(anchor);
             }
 
             var mediaContainerElement = mediaDataElement.createChild("span");