diff --git a/.github/sync.yml b/.github/sync.yml
index 15bf028..120cb9b 100644
--- a/.github/sync.yml
+++ b/.github/sync.yml
@@ -3,6 +3,8 @@ group:
       - source: _extensions/r3-theme/
         dest: _extensions/rostools/r3-theme/
     repos: |
+      rostools/coding-club
+      rostools/r-cubed
       rostools/r-cubed-advanced
       rostools/r-cubed-intermediate
       rostools/r-cubed-intro
diff --git a/README.md b/README.md
index f814691..89ed05f 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ It also has an associated GitHub Action to use:
 ``` r
 usethis::use_github_action(
   "build-website", 
-  url = "https://github.com/rostools/r3-theme/blob/main/.github/workflows/build-website.yml"
+  url = "https://raw.githubusercontent.com/quarto-dev/quarto-actions/main/examples/quarto-publish-example.yml"
 )
 ```
 
diff --git a/_extensions/r3-theme/_extension.yml b/_extensions/r3-theme/_extension.yml
index 24021df..e841d38 100644
--- a/_extensions/r3-theme/_extension.yml
+++ b/_extensions/r3-theme/_extension.yml
@@ -1,10 +1,12 @@
 title: r3-theme
 author: Luke W. Johnston
-version: 1.0.3
-quarto-required: ">=1.2.0"
+version: 1.0.5
+quarto-required: ">=1.3.0"
 contributes:
   format:
     html:
+      highlight-style: a11y
+      code-line-numbers: true
       df-print: tibble
       code-overflow: scroll
       from: markdown+emoji
@@ -38,9 +40,10 @@ contributes:
         type: overlay
 
     execute:
-      freeze: auto
       warning: false
 
+    csl: vancouver.csl
+
     callout-appearance: minimal
     reference-location: margin
     crossref:
@@ -48,7 +51,6 @@ contributes:
 
     knitr:
       opts_chunk:
-        class-output: sourceCode
         comment: "#>"
         fig-dpi: 72
         fig-width: 5.5
diff --git a/_extensions/r3-theme/custom-site.scss b/_extensions/r3-theme/custom-site.scss
index 38e5942..17dfec5 100644
--- a/_extensions/r3-theme/custom-site.scss
+++ b/_extensions/r3-theme/custom-site.scss
@@ -15,7 +15,7 @@ $code-block-border-left: "grey60" !default;
 
 svg {
   display: block;
-  max-width: 100%;
+  max-width: 100% !important;
   margin: 0 auto;
   height: auto !important;
   width: auto !important;