diff --git a/browser/metro/theme/browser.css b/browser/metro/theme/browser.css
index df2a2e228f8..ca26a63ace0 100644
--- a/browser/metro/theme/browser.css
+++ b/browser/metro/theme/browser.css
@@ -363,6 +363,26 @@ documenttab[selected] .documenttab-selection {
   background-image: url(chrome://browser/skin/images/overlay-plus.png);
 }
 
+@media (min-resolution: @min_res_140pc@) {
+  #overlay-back {
+    background-image: url(chrome://browser/skin/images/overlay-back@1.4x.png);
+  }
+
+  #overlay-plus {
+    background-image: url(chrome://browser/skin/images/overlay-plus@1.4x.png);
+  }
+}
+
+@media (min-resolution: @min_res_180pc@) {
+  #overlay-back {
+    background-image: url(chrome://browser/skin/images/overlay-back@1.8x.png);
+  }
+
+  #overlay-plus {
+    background-image: url(chrome://browser/skin/images/overlay-plus@1.8x.png);
+  }
+}
+
 #overlay-back:-moz-locale-dir(ltr),
 #overlay-plus:-moz-locale-dir(rtl) {
   left: -70px;
diff --git a/browser/metro/theme/images/overlay-back.png b/browser/metro/theme/images/overlay-back.png
index adf85a4ae3c..47f2e22be38 100644
Binary files a/browser/metro/theme/images/overlay-back.png and b/browser/metro/theme/images/overlay-back.png differ
diff --git a/browser/metro/theme/images/overlay-back@1.4x.png b/browser/metro/theme/images/overlay-back@1.4x.png
new file mode 100644
index 00000000000..edd9d7b849b
Binary files /dev/null and b/browser/metro/theme/images/overlay-back@1.4x.png differ
diff --git a/browser/metro/theme/images/overlay-back@1.8x.png b/browser/metro/theme/images/overlay-back@1.8x.png
new file mode 100644
index 00000000000..cd70472c00c
Binary files /dev/null and b/browser/metro/theme/images/overlay-back@1.8x.png differ
diff --git a/browser/metro/theme/images/overlay-plus.png b/browser/metro/theme/images/overlay-plus.png
index 168ce7bc32c..e2399199c7a 100644
Binary files a/browser/metro/theme/images/overlay-plus.png and b/browser/metro/theme/images/overlay-plus.png differ
diff --git a/browser/metro/theme/images/overlay-plus@1.4x.png b/browser/metro/theme/images/overlay-plus@1.4x.png
new file mode 100644
index 00000000000..2bf7aa3eb50
Binary files /dev/null and b/browser/metro/theme/images/overlay-plus@1.4x.png differ
diff --git a/browser/metro/theme/images/overlay-plus@1.8x.png b/browser/metro/theme/images/overlay-plus@1.8x.png
new file mode 100644
index 00000000000..d2a452c819a
Binary files /dev/null and b/browser/metro/theme/images/overlay-plus@1.8x.png differ
diff --git a/browser/metro/theme/jar.mn b/browser/metro/theme/jar.mn
index f550c16ad80..5ac73dc17ff 100644
--- a/browser/metro/theme/jar.mn
+++ b/browser/metro/theme/jar.mn
@@ -142,7 +142,11 @@ chrome.jar:
   skin/images/progresscircle-bg.png         (images/progresscircle-bg.png)
 
   skin/images/overlay-back.png              (images/overlay-back.png)
+  skin/images/overlay-back@1.4x.png         (images/overlay-back@1.4x.png)
+  skin/images/overlay-back@1.8x.png         (images/overlay-back@1.8x.png)
   skin/images/overlay-plus.png              (images/overlay-plus.png)
+  skin/images/overlay-plus@1.4x.png         (images/overlay-plus@1.4x.png)
+  skin/images/overlay-plus@1.8x.png         (images/overlay-plus@1.8x.png)
   skin/images/autoscroll.png                (images/autoscroll.png)
 
   skin/images/arrow-top.png                 (images/arrow-top.png)