diff --git a/book.toml b/book.toml
index e24d7804..c7ef9426 100644
--- a/book.toml
+++ b/book.toml
@@ -35,6 +35,7 @@ additional-css = [
   "theme/css/speaker-notes.css",
   "theme/css/language-picker.css",
   "theme/css/frontmatter.css",
+  "theme/css/rtl.css",
 ]
 site-url = "/comprehensive-rust/"
 git-repository-url = "https://github.com/google/comprehensive-rust"
diff --git a/theme/css/rtl.css b/theme/css/rtl.css
new file mode 100644
index 00000000..ff977988
--- /dev/null
+++ b/theme/css/rtl.css
@@ -0,0 +1,7 @@
+[dir="rtl"] .hljs,
+[dir="rtl"] pre > code {
+  text-align: left;
+}
+[dir="rtl"] #cookieBar {
+  direction: ltr;
+}