diff --git a/images/metal-inactive.xcf b/images/metal-inactive.xcf
index 505cf4fd..d63635ac 100644
Binary files a/images/metal-inactive.xcf and b/images/metal-inactive.xcf differ
diff --git a/images/metal.xcf b/images/metal.xcf
index 766e30ad..9fe89886 100644
Binary files a/images/metal.xcf and b/images/metal.xcf differ
diff --git a/platform/Darwin/skin/classic/treestyletab/treestyletab.css b/platform/Darwin/skin/classic/treestyletab/treestyletab.css
index 71ae1d71..84c6c51d 100644
--- a/platform/Darwin/skin/classic/treestyletab/treestyletab.css
+++ b/platform/Darwin/skin/classic/treestyletab/treestyletab.css
@@ -25,3 +25,12 @@ tabbrowser[treestyletab-style~="square"][treestyletab-tabbar-position="right"]:n
 	background: transparent;
 	width: 0;
 }
+
+
+/* Metal */
+
+tabbrowser[treestyletab-style="metal"][treestyletab-mode="vertical"]
+  .tabbrowser-tab .tab-close-button {
+	padding-left: 0 !important;
+	padding-right: 0 !important;
+}
diff --git a/skin/classic/treestyletab/metal/fullsize-active-l.png b/skin/classic/treestyletab/metal/fullsize-active-l.png
index c3c63ca1..fa543157 100644
Binary files a/skin/classic/treestyletab/metal/fullsize-active-l.png and b/skin/classic/treestyletab/metal/fullsize-active-l.png differ
diff --git a/skin/classic/treestyletab/metal/fullsize-active-r.png b/skin/classic/treestyletab/metal/fullsize-active-r.png
index 0aa1019a..d6056f6d 100644
Binary files a/skin/classic/treestyletab/metal/fullsize-active-r.png and b/skin/classic/treestyletab/metal/fullsize-active-r.png differ
diff --git a/skin/classic/treestyletab/metal/fullsize-inactive-l.png b/skin/classic/treestyletab/metal/fullsize-inactive-l.png
index bace4422..ddc9e17d 100644
Binary files a/skin/classic/treestyletab/metal/fullsize-inactive-l.png and b/skin/classic/treestyletab/metal/fullsize-inactive-l.png differ
diff --git a/skin/classic/treestyletab/metal/fullsize-inactive-r.png b/skin/classic/treestyletab/metal/fullsize-inactive-r.png
index 2d382e4e..6392876d 100644
Binary files a/skin/classic/treestyletab/metal/fullsize-inactive-r.png and b/skin/classic/treestyletab/metal/fullsize-inactive-r.png differ