Bug 454867: Gnomestripe needs decent treeline styles (for now); r=dao/gavin

toolkit/themes/gnomestripe/global/tree.css

@@ -171,6 +171,19 @@ tree[seltype="text"] > treechildren::-moz-tree-cell-text(active, selected, curre
   border: 1px dotted #C0C0C0;
 }
 
+/* ::::: lines connecting cells ::::: */
+
+tree[seltype="cell"] > treechildren::-moz-tree-line,
+tree[seltype="text"] > treechildren::-moz-tree-line,
+treechildren::-moz-tree-line {
+  border: 1px dotted ThreeDShadow;
+}
+
+tree[seltype="cell"] > treechildren::-moz-tree-line(active, selected, focus),
+treechildren::-moz-tree-line(selected, focus) {
+  border: 1px dotted HighlightText;
+}
+
 
 /* ::::: tree separator ::::: */