diff --git a/source/public/data.yaml b/source/public/data.yaml
index 869004b..f713e96 100644
--- a/source/public/data.yaml
+++ b/source/public/data.yaml
@@ -17,6 +17,7 @@
   - https://codepen.io/gbnikolov/pen/YNqwpW
   - https://codepen.io/hankuro/pen/EvdYqx
   - https://codepen.io/enxaneta/pen/oWobdO
+  - https://codepen.io/backoefer/pen/NAEGBx
 
 -
   - https://codepen.io/iliadraznin/pen/JcqbE
@@ -70,6 +71,9 @@
   - https://codepen.io/rl/pen/gwpjyk
   - https://codepen.io/arkaik/pen/HCgai
   - https://codepen.io/ph1p/pen/WOxxZR
+  - https://codepen.io/backoefer/pen/KgwLZA
+  - https://codepen.io/backoefer/pen/qNJwEv
+  - https://codepen.io/backoefer/pen/yaYpza
 
 - 
   - https://codepen.io/RazvanDH/pen/ojLWOB