diff --git a/index.js b/index.js
index 03cc920..fdf4d12 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,84 @@
-(function() {
-  'use strict';
 
-  // YOUR CODE HERE
-})();
+let body = document.getElementById('body');
+
+var redOn = false
+let stopButton = document.getElementById('stopButton');
+let stopLight = document.getElementById('stopLight');
+  // add event listener to detect a click event for the stop button
+  stopButton.addEventListener('click', (event) => {
+       if (redOn === false) {
+         stopLight.style.background = "red"; 
+           //if the stop light is enabled, log "<textContent> bulb on" 
+           console.log(`${event.target.id} bulb on`)
+          return redOn = true;
+       } else {
+         stopLight.style.background = "black";
+         //if the stop light is disabled, log "<textContent> bulb off" 
+         console.log(`${event.target.id} bulb off`)
+         return redOn = false;
+       }
+  });
+
+  //add event listener to detect a mouse enter event for the stop button
+  stopButton.addEventListener('mouseenter', (event) => {
+    console.log(`Entered ${event.target.id}`)
+  });
+
+  //add event listner to log mouse leave event for the stop button
+  stopButton.addEventListener('mouseleave', () => {
+    console.log('Left stop button')
+  });
+
+
+
+var yellowOn = false
+let slowButton = document.getElementById('slowButton');
+let slowLight = document.getElementById('slowLight');
+// add event listner to detect a click event for the slow button
+  slowButton.addEventListener('click', (event) => {
+    if (yellowOn === false) {
+      slowLight.style.background = "yellow"; 
+      console.log(`${event.target.id} bulb on`)
+       return yellowOn = true;
+    } else {
+      slowLight.style.background = "black";
+      console.log(`${event.target.id} bulb off`)
+      return yellowOn = false;
+    }
+});
+
+//add event listener to detect a mouse event for the slow button
+slowButton.addEventListener('mouseenter', () => {
+  console.log('Entered slow button')
+});
+
+//add event listener to detect a mouse event for the slow button
+slowButton.addEventListener('mouseleave', () => {
+  console.log('Left slow button')
+});
+
+var greenOn = false
+let goButton = document.getElementById('goButton');
+let goLight = document.getElementById('goLight');
+
+  goButton.addEventListener('click', (event) => {
+    if (greenOn === false) {
+      goLight.style.background = "green"; 
+      console.log(`${event.target.id} bulb on`)
+       return greenOn = true;
+    } else {
+      goLight.style.background = "black";
+      console.log(`${event.target.id} bulb off`)
+      return greenOn = false;
+    }
+});
+
+//add event listener to detect a mouse event for the go button
+goButton.addEventListener('mouseenter', () => {
+  console.log('Entered go button')
+});
+
+//add event listener to detect a mouse event for the go button
+goButton.addEventListener('mouseleave', () => {
+  console.log('Left go button')
+});
\ No newline at end of file