diff --git a/core/themes/bartik/color/preview.css b/core/themes/bartik/color/preview.css
index c063c47..294277f 100644
--- a/core/themes/bartik/color/preview.css
+++ b/core/themes/bartik/color/preview.css
@@ -26,9 +26,13 @@
   font-size: 1.821em;
   line-height: 1;
   margin-bottom: 30px;
-  margin-left: 15px;
+  margin-left: 15px; /* LTR */
   padding-top: 34px;
 }
+[dir="rtl"] #preview-site-name {
+  margin-left: 0;
+  margin-right: 15px;
+}
 #preview-main-menu {
   clear: both;
   padding: 0 15px 3px;
@@ -69,17 +73,29 @@
 #preview-sidebar,
 #preview-content {
   display: inline;
-  float: left;
+  float: left; /* LTR */
   position: relative;
 }
+[dir="rtl"] #preview-sidebar,
+[dir="rtl"] #preview-content {
+    float: right;
+}
 #preview-sidebar {
-  margin-left: 15px;
+  margin-left: 15px; /* LTR */
   width: 210px;
 }
+[dir="rtl"] #preview-sidebar {
+  margin-left: 0;
+  margin-right: 15px;
+}
 #preview-content {
-  margin-left: 30px;
+  margin-left: 30px; /* LTR */
   width: 26.5em;
 }
+[dir="rtl"] #preview-content {
+  margin-left: 0;
+  margin-right: 30px;
+}
 #preview-sidebar .preview-block {
   border: 1px solid;
   margin: 20px 0;
@@ -130,11 +146,14 @@
 }
 #preview-footer-wrapper .preview-footer-column {
   display: inline;
-  float: left;
+  float: left; /* LTR */
   padding: 0 10px;
   position: relative;
   width: 220px;
 }
+[dir="rtl"] #preview-footer-wrapper .preview-footer-column {
+  float: right;
+}
 #preview-footer-wrapper .preview-block {
   border: 1px solid #444;
   border-color: rgba(255, 255, 255, 0.1);
@@ -158,8 +177,12 @@
   margin-top: 0;
 }
 #preview-footer-columns .preview-content ul {
-  margin-left: 0;
-  padding-left: 0;
+  margin-left: 0; /* LTR */
+  padding-left: 0; /* LTR */
+}
+[dir="rtl"] #preview-footer-columns .preview-content ul {
+  margin-right: 0;
+  padding-right: 0;
 }
 #preview-footer-columns .preview-content li {
   list-style: none;
@@ -172,9 +195,13 @@
   border-color: rgba(255, 255, 255, 0.15);
   display: block;
   line-height: 1.2;
-  padding: 0.8em 2px 0.8em 20px;
+  padding: 0.8em 2px 0.8em 20px; /* LTR */
   text-indent: -15px;
 }
+[dir="rtl"] #preview-footer-columns .preview-content li a {
+  padding-left: 2px;
+  padding-right: 20px;
+}
 #preview-footer-columns .preview-content li a:hover,
 #preview-footer-columns .preview-content li a:focus {
   background-color: #1f1f21;
diff --git a/core/themes/bartik/css/base/elements.css b/core/themes/bartik/css/base/elements.css
index ead25e9..907d52d 100644
--- a/core/themes/bartik/css/base/elements.css
+++ b/core/themes/bartik/css/base/elements.css
@@ -73,25 +73,27 @@ del {
 
 blockquote {
   background: #f7f7f7;
-  border-left: 1px solid #bbb;
+  border-left: 1px solid #bbb; /* LTR */
   font-style: italic;
   margin: 1.5em 10px;
   padding: 0.5em 10px;
 }
 [dir="rtl"] blockquote {
   border-left: none;
-  border-right: 4px solid #afafaf;
+  border-right: 1px solid #bbb;
 }
 blockquote:before {
   color: #bbb;
   content: "\201C";
   font-size: 3em;
   line-height: 0.1em;
-  margin-right: 0.2em;
+  margin-right: 0.2em; /* LTR */
   vertical-align: -.4em;
 }
 [dir="rtl"] blockquote:before {
   content: "\201D";
+  margin-left: 0.2em;
+  margin-right: 0;
 }
 blockquote:after {
   color: #bbb;
diff --git a/core/themes/bartik/css/components/admin.css b/core/themes/bartik/css/components/admin.css
index 1661946..c97c6a6 100644
--- a/core/themes/bartik/css/components/admin.css
+++ b/core/themes/bartik/css/components/admin.css
@@ -2,6 +2,10 @@
 .path-admin #content img {
   margin-right: 15px; /* LTR */
 }
+[dir="rtl"] .path-admin #content img {
+  margin-left: 15px;
+  margin-right: 0;
+}
 .path-admin #content .simpletest-image img {
   margin: 0;
 }
@@ -45,5 +49,9 @@ div.admin-panel dd {
   margin: 0 0 10px;
 }
 div.admin-panel .description {
-  margin: 0 0 14px 7px;
+  margin: 0 0 14px 7px; /* LTR */
+}
+[dir="rtl"] div.admin-panel .description {
+  margin-left: 0;
+  margin-right: 7px;
 }
diff --git a/core/themes/bartik/css/components/captions.css b/core/themes/bartik/css/components/captions.css
index 4d68e11..cd24809 100644
--- a/core/themes/bartik/css/components/captions.css
+++ b/core/themes/bartik/css/components/captions.css
@@ -24,7 +24,7 @@
   content: "— ";
 }
 .caption-blockquote > figcaption {
-  text-align: left;
+  text-align: left; /* LTR */
 }
 [dir="rtl"] .caption-blockquote > figcaption {
   text-align: right;
diff --git a/core/themes/bartik/css/components/comments.css b/core/themes/bartik/css/components/comments.css
index 6b543a1..9d3edcf 100644
--- a/core/themes/bartik/css/components/comments.css
+++ b/core/themes/bartik/css/components/comments.css
@@ -84,7 +84,7 @@
   padding: 0 0.5em 0 0; /* LTR */
 }
 [dir="rtl"] .comment ul.links li {
-  padding: 0 0 0.5em;
+  padding: 0 0 0 0.5em;
 }
 .comment.unpublished {
   margin-right: 5px; /* LTR */
diff --git a/core/themes/bartik/css/components/content.css b/core/themes/bartik/css/components/content.css
index 1665382..b49923b 100644
--- a/core/themes/bartik/css/components/content.css
+++ b/core/themes/bartik/css/components/content.css
@@ -90,12 +90,10 @@ h1#page-title {
   float: right;
 }
 .node__links {
-  text-align: right;
+  text-align: right; /* LTR */
 }
 [dir="rtl"] .node__links {
   text-align: left;
-  margin-right: 236px;
-  margin-left: 0;
 }
 @media all and (min-width: 560px) {
   .node .field-type-image {
diff --git a/core/themes/bartik/css/components/dropbutton.component.css b/core/themes/bartik/css/components/dropbutton.component.css
index ac14aef..729815a 100644
--- a/core/themes/bartik/css/components/dropbutton.component.css
+++ b/core/themes/bartik/css/components/dropbutton.component.css
@@ -31,7 +31,7 @@
   border-radius: 1em;
 }
 .js .dropbutton-widget .button:hover {
-  border-radius: 1em 0 0 1em;
+  border-radius: 1em 0 0 1em; /* LTR */
 }
 [dir="rtl"].js .dropbutton-widget .button:hover {
   border-radius: 0 1em 1em 0;
@@ -45,7 +45,7 @@
 }
 .js .dropbutton-multiple .dropbutton-widget .dropbutton-action a {
   color: #3a3a3a;
-  margin-right: 0;
+  margin-right: 0; /* LTR */
 }
 [dir="rtl"].js .dropbutton-multiple .dropbutton-widget .dropbutton-action a {
   margin-left: 0;
diff --git a/core/themes/bartik/css/components/footer.css b/core/themes/bartik/css/components/footer.css
index 094181a..90de8af 100644
--- a/core/themes/bartik/css/components/footer.css
+++ b/core/themes/bartik/css/components/footer.css
@@ -60,10 +60,11 @@
 #footer-columns .content ul {
   list-style: none;
   padding-left: 0; /* LTR */
-  margin-left: 0;
+  margin-left: 0; /* LTR */
 }
 [dir="rtl"] #footer-columns .content ul {
   padding-right: 0;
+  margin-right: 0;
 }
 #footer-columns .content li {
   list-style: none;
diff --git a/core/themes/bartik/css/components/form.css b/core/themes/bartik/css/components/form.css
index 82377ad..f86705f 100644
--- a/core/themes/bartik/css/components/form.css
+++ b/core/themes/bartik/css/components/form.css
@@ -26,7 +26,11 @@ fieldset,
   font-size: 0.857em;
 }
 .filter-wrapper .form-item label {
-  margin-right: 10px;
+  margin-right: 10px; /* LTR */
+}
+[dir="rtl"] .filter-wrapper .form-item label {
+  margin-left: 10px;
+  margin-right: 0;
 }
 summary {
   background: #dbdbdb;
@@ -98,11 +102,21 @@ input.form-submit:focus {
 }
 .form-type-radio label,
 .form-type-checkbox label {
-  margin-left: 4px;
+  margin-left: 4px; /* LTR */
+}
+[dir="rtl"] .form-type-radio label,
+[dir="rtl"] .form-type-checkbox label {
+  margin-right: 4px;
+  margin-left: 0;
 }
 .form-type-radio .description,
 .form-type-checkbox .description {
-  margin-left: 2px;
+  margin-left: 2px; /* LTR */
+}
+[dir="rtl"] .form-type-radio .description,
+[dir="rtl"] .form-type-checkbox .description {
+  margin-right: 2px;
+  margin-left: 0;
 }
 .form-actions {
   padding-top: 10px;
diff --git a/core/themes/bartik/css/components/pager.css b/core/themes/bartik/css/components/pager.css
index 6fb5a83..77eab8b 100644
--- a/core/themes/bartik/css/components/pager.css
+++ b/core/themes/bartik/css/components/pager.css
@@ -16,12 +16,22 @@
 }
 .pager__item--first,
 .pager__item--previous {
-  padding: 10px 10px 10px 0;
+  padding: 10px 10px 10px 0; /* LTR */
+}
+[dir="rtl"] .pager__item--first,
+[dir="rtl"] .pager__item--previous {
+  padding-left: 10px;
+  padding-right: 0;
 }
 .pager__item--ellipsis {
   padding: 10px 0;
 }
 .pager__item--last,
 .pager__item--next {
-  padding: 10px 0 10px 10px;
+  padding: 10px 0 10px 10px; /* LTR */
+}
+[dir="rtl"] .pager__item--last,
+[dir="rtl"] .pager__item--next {
+  padding-left: 0;
+  padding-right: 10px;
 }
diff --git a/core/themes/bartik/css/components/search-results.css b/core/themes/bartik/css/components/search-results.css
index d463bf3..25a076a 100644
--- a/core/themes/bartik/css/components/search-results.css
+++ b/core/themes/bartik/css/components/search-results.css
@@ -1,9 +1,12 @@
 /* --------------- Search Results ---------------- */
 
 ol.search-results {
-  padding-left: 0;
+  padding-left: 0; /* LTR */
   list-style-position: inside;
 }
+[dir="rtl"] ol.search-results {
+  padding-right: 0;
+}
 .search-results li {
   border-bottom: 1px solid #d3d7d9;
   padding-bottom: 0.4285em;
@@ -15,5 +18,8 @@ ol.search-results {
   margin-bottom: 1em;
 }
 .search-results .search-snippet-info {
-  padding-left: 0;
+  padding-left: 0; /* LTR */
+}
+[dir="rtl"] .search-results .search-snippet-info {
+  padding-right: 0;
 }
diff --git a/core/themes/bartik/css/components/search.css b/core/themes/bartik/css/components/search.css
index 6de5d02..00f213b 100644
--- a/core/themes/bartik/css/components/search.css
+++ b/core/themes/bartik/css/components/search.css
@@ -20,7 +20,7 @@
 #block-search-form .form-item-search-block-form input {
   float: left; /* LTR */
   font-size: 1em;
-  margin-right: 5px;
+  margin-right: 5px; /* LTR */
 }
 [dir="rtl"] #search-form input#edit-keys,
 [dir="rtl"] #block-search-form .form-item-search-block-form input {
diff --git a/core/themes/bartik/css/components/skip-link.css b/core/themes/bartik/css/components/skip-link.css
index f02a5c3..bea3631 100644
--- a/core/themes/bartik/css/components/skip-link.css
+++ b/core/themes/bartik/css/components/skip-link.css
@@ -2,13 +2,20 @@
 
 .skip-link,
 .skip-link.visually-hidden.focusable {
-  left: 50%;
-  margin-left: -5.25em;
+  left: 50%; /* LTR */
+  margin-left: -5.25em; /* LTR */
   margin-top: 0;
   position: absolute !important;
   width: auto;
   z-index: 50;
 }
+[dir="rtl"] .skip-link,
+[dir="rtl"] .skip-link.visually-hidden.focusable {
+  left: auto;
+  right: 50%;
+  margin-left: 0;
+  margin-right: -5.25em;
+}
 .skip-link,
 .skip-link:link,
 .skip-link:visited {
diff --git a/core/themes/bartik/css/components/table.css b/core/themes/bartik/css/components/table.css
index 0173e34..a04a241 100644
--- a/core/themes/bartik/css/components/table.css
+++ b/core/themes/bartik/css/components/table.css
@@ -62,5 +62,9 @@ table ul.links {
   font-size: 1em;
 }
 table ul.links li {
-  padding: 0 1em 0 0;
+  padding: 0 1em 0 0; /* LTR */
+}
+[dir="rtl"] table ul.links li {
+  padding-left: 1em;
+  padding-right: 0;
 }
diff --git a/core/themes/bartik/css/components/triptych.css b/core/themes/bartik/css/components/triptych.css
index 148f3b86..40d03bf 100644
--- a/core/themes/bartik/css/components/triptych.css
+++ b/core/themes/bartik/css/components/triptych.css
@@ -28,7 +28,11 @@
 }
 #triptych .block ul,
 #triptych .block ol {
-  padding-left: 0;
+  padding-left: 0; /* LTR */
+}
+[dir="rtl"] #triptych .block ul,
+[dir="rtl"] #triptych .block ol {
+  padding-right: 0;
 }
 #triptych #block-user-login .form-text {
   width: 185px;
@@ -42,7 +46,10 @@
   height: 0;
 }
 #triptych-last #block-node-syndicate {
-  text-align: right;
+  text-align: right; /* LTR */
+}
+[dir="rtl"] #triptych-last #block-node-syndicate {
+  text-align: left;
 }
 #triptych #block-search-form .form-type-search input {
   width: 185px;
@@ -51,5 +58,8 @@
   text-align: center;
 }
 #triptych-last #block-system-powered-by {
-  text-align: right;
+  text-align: right; /* LTR */
+}
+[dir="rtl"] #triptych-last #block-system-powered-by {
+  text-align: left;
 }
diff --git a/core/themes/bartik/css/components/vertical-tabs.component.css b/core/themes/bartik/css/components/vertical-tabs.component.css
index 21231cf..56eb6b0 100644
--- a/core/themes/bartik/css/components/vertical-tabs.component.css
+++ b/core/themes/bartik/css/components/vertical-tabs.component.css
@@ -1,5 +1,9 @@
 /* Vertical Tabs Reset */
 ul.vertical-tabs-list {
-  margin: -1px 0 -1px -15em;
+  margin: -1px 0 -1px -15em; /* LTR */
   padding: 0;
 }
+[dir="rtl"] ul.vertical-tabs-list {
+  margin-left: 0;
+  margin-right: -15em;
+}
diff --git a/core/themes/bartik/css/components/views.css b/core/themes/bartik/css/components/views.css
index e201311..0c0243a 100644
--- a/core/themes/bartik/css/components/views.css
+++ b/core/themes/bartik/css/components/views.css
@@ -21,7 +21,10 @@
 .views-displays .region-content .secondary,
 .views-displays .region-content .secondary {
   padding-bottom: 0;
-  padding-left: 0;
+  padding-left: 0; /* LTR */
+}
+[dir="rtl"] .views-displays .region-content .secondary {
+  padding-right: 0;
 }
 
 .views-displays .secondary a {
@@ -106,6 +109,9 @@
 }
 
 .views-ui-display-tab-actions .dropbutton input.form-submit {
-  margin-right: 0;
+  margin-right: 0; /* LTR */
   margin-top: 0;
 }
+[dir="rtl"] .views-ui-display-tab-actions .dropbutton input.form-submit {
+  margin-left: 0;
+}
diff --git a/core/themes/bartik/css/maintenance-page.css b/core/themes/bartik/css/maintenance-page.css
index ce5c9f5..9a08d04 100644
--- a/core/themes/bartik/css/maintenance-page.css
+++ b/core/themes/bartik/css/maintenance-page.css
@@ -25,7 +25,11 @@ body.maintenance-page {
   margin: 0;
 }
 .maintenance-page #content .section {
-  padding: 0 0 0 10px;
+  padding: 0 0 0 10px; /* LTR */
+}
+[dir="rtl"] .maintenance-page #content .section {
+  padding-left: 0;
+  padding-right: 10px;
 }
 .maintenance-page #header {
   background-color: #fff;
@@ -33,10 +37,13 @@ body.maintenance-page {
 }
 .maintenance-page #name-and-slogan {
   margin-bottom: 50px;
-  margin-left: 0;
+  margin-left: 0; /* LTR */
   padding-top: 20px;
   font-size: 90%;
 }
+[dir="rtl"] .maintenance-page #name-and-slogan {
+  margin-right: 0;
+}
 .maintenance-page #name-and-slogan,
 .maintenance-page #name-and-slogan a,
 .maintenance-page #name-and-slogan a:hover,