diff --git a/brightray/browser/inspectable_web_contents_impl.cc b/brightray/browser/inspectable_web_contents_impl.cc
index 94b1069ebfab..2cb8aba6defe 100644
--- a/brightray/browser/inspectable_web_contents_impl.cc
+++ b/brightray/browser/inspectable_web_contents_impl.cc
@@ -36,7 +36,9 @@ const double kPresetZoomFactors[] = { 0.25, 0.333, 0.5, 0.666, 0.75, 0.9, 1.0,
 const char kDevToolsScheme[] = "chrome-devtools";
 const char kDevToolsHost[] = "devtools";
 const char kChromeUIDevToolsURL[] = "chrome-devtools://devtools/devtools.html?"
-                                    "can_dock=true&&"
+                                    "can_dock=true&"
+                                    "toolbarColor=rgba(223,223,223,1)&"
+                                    "textColor=rgba(0,0,0,1)&"
                                     "experiments=true";
 const char kDevToolsBoundsPref[] = "brightray.devtools.bounds";
 
diff --git a/brightray/browser/mac/bry_inspectable_web_contents_view.mm b/brightray/browser/mac/bry_inspectable_web_contents_view.mm
index 0fa06f2077d3..4db0d8ac050f 100644
--- a/brightray/browser/mac/bry_inspectable_web_contents_view.mm
+++ b/brightray/browser/mac/bry_inspectable_web_contents_view.mm
@@ -148,4 +148,30 @@ using namespace brightray;
   inspectableWebContentsView_->inspectable_web_contents()->CloseDevTools();
 }
 
+- (void)windowDidBecomeMain:(NSNotification*)notification {
+  content::WebContents* web_contents =
+      inspectableWebContentsView_->inspectable_web_contents()->devtools_web_contents();
+  if (!web_contents)
+    return;
+
+  web_contents->RestoreFocus();
+
+  content::RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
+  if (rwhv)
+    rwhv->SetActive(true);
+}
+
+- (void)windowDidResignMain:(NSNotification*)notification {
+  content::WebContents* web_contents =
+      inspectableWebContentsView_->inspectable_web_contents()->devtools_web_contents();
+  if (!web_contents)
+    return;
+
+  web_contents->StoreFocus();
+
+  content::RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
+  if (rwhv)
+    rwhv->SetActive(false);
+}
+
 @end