fix cursor assets

.gitignore

@@ -1 +1,2 @@
 src/css/vendors/*.css
+src/css/assets/*.png

scripts/build.sh

@@ -4,10 +4,16 @@ set -eu
 
 ( cd "$(dirname "$0")/../"
 
+  ( cd src/css/assets
+
+    wget "https://raw.githubusercontent.com/nostalgic-css/NES.css/develop/assets/cursor-click.png" -O cursor-click.png
+    wget "https://raw.githubusercontent.com/nostalgic-css/NES.css/develop/assets/cursor.png" -O cursor.png
+    )
+
   ( cd src/css/vendors
 
     wget "https://fonts.googleapis.com/css?family=Press+Start+2P" -O ps2p.css
-    wget "https://unpkg.com/nes.css/css/nes.min.css" -O nes.min.css
+    wget "https://unpkg.com/nes.css@latest/css/nes.min.css" -O nes.min.css
     wget "https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" -O bootstrap.min.css )
 
   ( cd src/js