diff --git a/node/public/img/green.png b/node/public/img/green.png
index 2456442..8890033 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 acbfa0d..a980f6c 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 475603f..299e8f7 100644
Binary files a/node/public/img/yellow.png and b/node/public/img/yellow.png differ