1 files changed, 19 insertions, 0 deletions
diff --git a/comm/mail/themes/linux/mail/folderPane.css b/comm/mail/themes/linux/mail/folderPane.css
new file mode 100644
index 0000000000..ef1de33e42
--- /dev/null
+++ b/comm/mail/themes/linux/mail/folderPane.css
@@ -0,0 +1,19 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+@import url("chrome://messenger/skin/shared/folderPane.css");
+
+/* UI Density customization */
+
+#folderTree > treechildren::-moz-tree-row {
+  min-height: 1.8rem;
+}
+
+:root[uidensity="compact"] #folderTree > treechildren::-moz-tree-row {
+  min-height: 1.6rem;
+}
+
+:root[uidensity="touch"] #folderTree > treechildren::-moz-tree-row {
+  min-height: 2.4rem;
+}