Update README.md

Author: alowpoly

README.md

@@ -186,10 +186,10 @@ Each visible polygon is emitted as one leaf element; the renderer chooses the le
 
 ## Made with PolyCSS
 
-[Layoutit Voxels](https://voxels.layoutit.com)
--> A CSS Voxel editor
+[cssQuake](https://cssquake.com)
+-> A 3D CSS port of Quake (1996)
 
-<img width="1000" height="600" alt="layoutit-voxels" src="https://polycss.com/layoutit-voxels.png" />
+<img width="1280" height="720" alt="quake" src="https://github.com/user-attachments/assets/6d9d809c-857a-4a39-b5cf-733ead2661ec" />
 
 [Layoutit Terra](https://terra.layoutit.com)
 -> A CSS Terrain Generator