diff --git a/.github/workflows/retype_build.yml b/.github/workflows/retype_build.yml
index 5adb825..70baac4 100644
--- a/.github/workflows/retype_build.yml
+++ b/.github/workflows/retype_build.yml
@@ -29,6 +29,12 @@ jobs:
 
       - uses: retypeapp/action-build@latest
         id: retypebuild
+
+      - name: Inject custom css and js
+        run: |
+          cd ${{ steps.retypebuild.outputs.retype-output-path }}
+          cat .inject/style.css >> resources/css/retype.css
+          cat .inject/code.js >> resources/js/retype.js
       
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1
diff --git a/.inject/code.js b/.inject/code.js
new file mode 100644
index 0000000..e69de29
diff --git a/.inject/style.css b/.inject/style.css
new file mode 100644
index 0000000..45c8ff4
--- /dev/null
+++ b/.inject/style.css
@@ -0,0 +1,7 @@
+.simplebar-content li img {
+    filter: invert(1);
+}
+
+.dark .simplebar-content li img {
+    filter: none;
+}
\ No newline at end of file