diff --git a/node/public/img/green.png b/node/public/img/green.png
index 8890033..c5bdd90 100644
Binary files a/node/public/img/green.png and b/node/public/img/green.png differ
diff --git a/node/public/img/red.png b/node/public/img/red.png
index a980f6c..de75e5c 100644
Binary files a/node/public/img/red.png and b/node/public/img/red.png differ
diff --git a/node/public/img/yellow.png b/node/public/img/yellow.png
index 299e8f7..2d22d35 100644
Binary files a/node/public/img/yellow.png and b/node/public/img/yellow.png differ