diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index e230911d7f614026cde07048be74b5d8eec36e52..b5bb5e3b673945763cffba799a2ec048bf06e2c3 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -2,6 +2,7 @@
 
 Zen 6.x-2.x-dev, xxxx-xx-xx (development release)
 ------------------------
+- #379902: Make all stylesheets RTL compatible
 - #472694: Drupal 6.11 broke Zen's OpenID overrides
 - #375976 by JohnAlbin and Amitaibu: Flip sidebar positioning on RTL
 - #375953 by Amitaibu and JohnAlbin: Change sidebar names to be RTL friendly
diff --git a/zen/block-editing-rtl.css b/zen/block-editing-rtl.css
new file mode 100644
index 0000000000000000000000000000000000000000..56d56066931554c3ac40a0d5efdc506a2e52b9e5
--- /dev/null
+++ b/zen/block-editing-rtl.css
@@ -0,0 +1,12 @@
+/* $Id$ */
+
+/**
+ * @file
+ * RTL companion for the block-editing.css file.
+ */
+
+
+div.block.with-block-editing div.edit
+{
+  left: 0;
+}
diff --git a/zen/block-editing.css b/zen/block-editing.css
index c1b489857d027ac9ee7c8ebb218311a056c5f789..9f7a485ef8ba567c81bf75b44b9556ecb91b7bfd 100644
--- a/zen/block-editing.css
+++ b/zen/block-editing.css
@@ -15,7 +15,7 @@ div.block.with-block-editing div.edit
 {
   display: none;
   position: absolute;
-  right: 0;
+  right: 0; /* LTR */
   top: 0;
   z-index: 40;
   border: 1px solid #eee;
diff --git a/zen/forms-rtl.css b/zen/forms-rtl.css
new file mode 100644
index 0000000000000000000000000000000000000000..f66b71164718e9cac244ccec3bf85c8c44ca3dc3
--- /dev/null
+++ b/zen/forms-rtl.css
@@ -0,0 +1,52 @@
+/* $Id$ */
+
+/**
+ * @file
+ * RTL companion for the forms.css file.
+ */
+
+
+/*
+ * Drupal's default login form block
+ */
+#user-login-form
+{
+  text-align: right;
+}
+
+
+/*
+ * OpenID
+ *
+ * The default styling for the OpenID login link seems to assume Garland's
+ * styling of list items.
+ */
+
+#user-login-form li.openid-link /* The "Log in using OpenID" link. */
+{
+  margin-left: 0;
+  margin-right: -20px; /* Un-do some of the padding on the ul list. */
+}
+
+#user-login li.openid-link, /* The OpenID links on the /user form. */
+#user-login li.user-link
+{
+  margin-left: 0;
+  margin-right: -2em; /* Un-do all of the padding on the ul list. */
+}
+
+
+/*
+ * Drupal admin tables
+ *
+ * We overrode these styles in html-elements.css, but restore them for the admin
+ * section of the site.
+ */
+
+form th,
+form thead th
+{
+  text-align: right;
+  padding-left: 1em;
+  padding-right: 0;
+}
diff --git a/zen/forms.css b/zen/forms.css
index 78b4431a9cdab7dc566f1b1f0b02bbace75148d1..4ef1a660cc64776a7d346041baf44e6c63956f77 100644
--- a/zen/forms.css
+++ b/zen/forms.css
@@ -93,7 +93,7 @@
  */
 #user-login-form
 {
-  text-align: left;
+  text-align: left; /* LTR */
 }
 
 
@@ -112,7 +112,7 @@
 #user-login-form li.openid-link /* The "Log in using OpenID" link. */
 {
   margin-top: 1em;
-  margin-left: -20px; /* Un-do some of the padding on the ul list. */
+  margin-left: -20px; /* LTR */ /* Un-do some of the padding on the ul list. */
 }
 
 #user-login-form li.user-link /* The "Cancel OpenID login" link. */
@@ -128,7 +128,7 @@
 #user-login li.openid-link, /* The OpenID links on the /user form. */
 #user-login li.user-link
 {
-  margin-left: -2em; /* Un-do all of the padding on the ul list. */
+  margin-left: -2em; /* LTR */ /* Un-do all of the padding on the ul list. */
 }
 
 
@@ -147,8 +147,8 @@ form tbody
 form th,
 form thead th
 {
-  text-align: left;
-  padding-right: 1em;
+  text-align: left; /* LTR */
+  padding-right: 1em; /* LTR */
   border-bottom: 3px solid #ccc;
 }
 
diff --git a/zen/html-elements.css b/zen/html-elements.css
index 138c571dadc1356e2d5ccfcd6618ef050e06040a..318f66565e8714d159950964bd3747e8885f96bd 100644
--- a/zen/html-elements.css
+++ b/zen/html-elements.css
@@ -241,7 +241,7 @@ thead th,
 tbody th
 {
   text-align: left; /* LTR */
-  padding-right: 0;
+  padding: 0;
   border-bottom: none;
 }
 
diff --git a/zen/ie6-rtl.css b/zen/ie6-rtl.css
new file mode 100644
index 0000000000000000000000000000000000000000..22c963491a01358423ea1ead2232f8b0e62a4373
--- /dev/null
+++ b/zen/ie6-rtl.css
@@ -0,0 +1,15 @@
+/* $Id$ */
+
+/**
+ * @file
+ * RTL companion for the ie6.css file.
+ */
+
+
+/*
+ * Layout CSS
+ */
+#page
+{
+  text-align: right; /* 2nd part of IE5/IE6quirks centering hack */
+}
diff --git a/zen/ie6.css b/zen/ie6.css
index d6d0a073d7488be0619971ce202469b5d7ec412f..651793d3aae9c106446bcaedfc29dba21006cafd 100644
--- a/zen/ie6.css
+++ b/zen/ie6.css
@@ -19,7 +19,7 @@ body
 
 #page
 {
-  text-align: left; /* 2nd part of IE5/IE6quirks centering hack */
+  text-align: left; /* LTR */ /* 2nd part of IE5/IE6quirks centering hack */
 }
 
 #main
diff --git a/zen/messages-rtl.css b/zen/messages-rtl.css
new file mode 100644
index 0000000000000000000000000000000000000000..7d820b1bc2315f6d21bf2769142ffec332e70283
--- /dev/null
+++ b/zen/messages-rtl.css
@@ -0,0 +1,16 @@
+/* $Id$ */
+
+/**
+ * @file
+ * RTL companion for the messages.css file.
+ */
+
+
+div.messages, /* Important messages (status, warning, and error) for the user */
+div.status,
+div.warning,
+div.error
+{
+  padding: 5px 35px 5px 5px;
+  background-position: 99.5% 5px;
+}
diff --git a/zen/messages.css b/zen/messages.css
index a0ee54acaac6ceafac6ab06ea3db8da2312d583d..881e61ac8e337f2668175f973d09cd4f1e87a493 100644
--- a/zen/messages.css
+++ b/zen/messages.css
@@ -16,12 +16,12 @@ div.error
   min-height: 21px;
   margin: 0 1em 5px 1em;
   border: 2px solid #ff7;
-  padding: 5px 5px 5px 35px;
+  padding: 5px 5px 5px 35px; /* LTR */
   color: #000;
   background-color: #ffc;
   background-image: url(images/messages-status.png);
   background-repeat: no-repeat;
-  background-position: 5px 5px;
+  background-position: 5px 5px; /* LTR */
 }
 
 div.status /* Normal priority messages */
diff --git a/zen/pages-rtl.css b/zen/pages-rtl.css
new file mode 100644
index 0000000000000000000000000000000000000000..faf0b7742a04927caee598f2e6693f109e0f85b5
--- /dev/null
+++ b/zen/pages-rtl.css
@@ -0,0 +1,23 @@
+/* $Id$ */
+
+/**
+ * @file
+ * RTL companion for the pages.css file.
+ */
+
+
+/*
+ * Header
+ */
+#logo /* Wrapper for logo */
+{
+  margin: 0 0 0 10px;
+}
+
+/*
+ * Content
+ */
+.more-link /* Aggregator, blog, and forum more link */
+{
+  text-align: left;
+}
diff --git a/zen/pages.css b/zen/pages.css
index dad19d01a255f7853b21781db6b5349bdd796d0a..765506698d47f3a36703f01e73048c0cd7d9a022 100644
--- a/zen/pages.css
+++ b/zen/pages.css
@@ -44,7 +44,7 @@ body
 
 #logo /* Wrapper for logo */
 {
-  margin: 0 10px 0 0;
+  margin: 0 10px 0 0; /* LTR */
   padding: 0;
 }
 
@@ -219,7 +219,7 @@ ul.links li
 
 .more-link /* Aggregator, blog, and forum more link */
 {
-  text-align: right;
+  text-align: right; /* LTR */
 }
 
 #content-bottom /* Wrapper for any blocks placed in the "content bottom" region */