diff --git a/README.md b/README.md
index cc17a05..a47904d 100644
--- a/README.md
+++ b/README.md
@@ -1,61 +1,28 @@
-Assignment 4 - Creative Coding: Interactive Multimedia Experiences
-===
+Brendan Mannion
+http://a4-brendan-mannion.glitch.me
 
-Due: October 2nd, by 11:59 AM.
+This project is an online drawing pad:
 
-For this assignment we will focus on client-side development using popular audio/graphics/visualization technologies. The goal of this assignment is to refine our JavaScript knowledge while exploring the multimedia capabilities of the browser.
+## Draw!:
 
-[WebAudio / Canvas Tutorial](https://github.com/cs-4241-2023/cs4241-2023.github.io/blob/main/using.webaudio_and_canvas.md)  
-[SVG + D3 tutorial](https://github.com/cs-4241-2023/cs-4241-2023.github.io/blob/main/using.svg_and_d3.md)  
+The goal of this website is to allow for users to draw whatever they desire on their canvas. 
+The site also provides tools and buttons such as changing the color, customizing the size of the 
+brush, clearing the page, rotating the page, and undoing recent changes. All of these customizations
+give the user more freedom to create what they want and let people unleash their true creativity.
 
-Baseline Requirements
----
+This project makes the most use out of the Canvas library for creating the interactive and dynamic
+drawing platform. The canvas library makes rendering drawings and designs much easier compared to other
+options. The canvas library is used extensively in providing the drawing surface, listening to interactions
+like mouse clicks and movements on the Canvas, updating the drawing surface, and keeping track of past drawings
+for the undo functionality.
 
-Your application is required to implement the following functionalities:
+One of the biggest challenges I faced was creating the Undo functionality. At first it seems quite straightforward,
+but in reality it took a lot of thinking and changes. I ended up having to create a method that keeps track of all
+the drawing movements made, saving the color and specific pixels and lines that were used. These movements are stored
+in an array, so that whenever I need to use the undo button I can just remove the last drawing movement from the array.
+After removing it from the array, I created a new function that will draw the page based on the array of drawings given,
+so that the page looks exactly how it was previously. 
 
-- A server created using Express. This server can be as simple as needed.
-- A client-side interactive experience using at least one of the following web technologies frameworks.
-  - [Three.js](https://threejs.org/): A library for 3D graphics / VR experiences
-  - [D3.js](https://d3js.org): A library that is primarily used for interactive data visualizations
-  - [Canvas](https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API): A 2D raster drawing API included in all modern browsers
-  - [SVG](https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API): A 2D vector drawing framework that enables shapes to be defined via XML.
-  - [Web Audio API](https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API): An API for audio synthesis, analysis, processing, and file playback.
-- A user interface for interaction with your project, which must expose at least four parameters for user control. [tweakpane](https://cocopon.github.io/tweakpane/) is highly recommended for this, but you can also use regular HTML `<input>` tags (the `range` type is useful to create sliders). You might also explore interaction by tracking mouse movement via the `window.onmousemove` event handler in tandem with the `event.clientX` and `event.clientY` properties. Consider using the [Pointer Events API](https://developer.mozilla.org/en-US/docs/Web/API/Pointer_events) to ensure that that both mouse and touch events will both be supported in your app.
-- Your application should display basic documentation for the user interface when the application first loads.
 
-The interactive experience should possess a reasonable level of complexity. Some examples:
-### Three.js
-- A generative algorithm creates simple agents that move through a virtual world. Your interface controls the behavior / appearance of these agents.
-- A simple 3D game... you really want this to be a simple as possible or it will be outside the scope of this assignment.
-- An 3D audio visualization of a song of your choosing. User interaction should control aspects of the visualization. 
-### Canvas
-- Implement a generative algorithm such as [Conway's Game of Life](https://bitstorm.org/gameoflife/) (or 1D cellular automata) and provide interactive controls. Note that the Game of Life has been created by 100s of people using `<canvas>`; we'll be checking to ensure that your implementation is not a copy of these.
-- Design a 2D audio visualizer of a song of your choosing. User interaction should control visual aspects of the experience. 
-### Web Audio API
-- Create a screen-based musical instrument using the Web Audio API. You can use projects such as [Interface.js](http://charlie-roberts.com/interface/) or [Nexus UI](https://nexus-js.github.io/ui/api/#Piano) to provide common musical interface elements, or use dat.GUI in combination with mouse/touch events (use the Pointer Events API). Your GUI should enable users to control aspects of sound synthesis. If you want to use higher-level instruments instead of the raw WebAudio API sounds, consider trying the instruments provided by [Tone.js]() or [Gibber](https://github.com/charlieroberts/gibber.audio.lib).
-### D3.js
-- Create visualizations using the datasets found at [Awesome JSON Datasets](https://github.com/jdorfman/Awesome-JSON-Datasets). Experiment with providing different visualizations of the same data set, and providing users interactive control over visualization parameters and/or data filtering. Alternatively, create a single visualization with using one of the more complicated techniques shown at [d3js.org](d3js.org) and provide meaningful points of interaction for users.
 
-Deliverables
----
 
-Do the following to complete this assignment:
-
-1. Implement your project with the above requirements.
-3. Test your project to make sure that when someone goes to your main page on Glitch/Heroku/etc., it displays correctly.
-4. Ensure that your project has the proper naming scheme `a4-firstname-lastname` so we can find it.
-5. Fork this repository and modify the README to the specifications below. *NOTE: If you don't use Glitch for hosting (where we can see the files) then you must include all project files that you author in your repo for this assignment*.
-6. Create and submit a Pull Request to the original repo. Name the pull request using the following template: `a4-firstname-lastname`.
-
-Sample Readme (delete the above when you're ready to submit, and modify the below so with your links and descriptions)
----
-
-## Your Web Application Title
-
-your hosting link e.g. http://a4-charlieroberts.glitch.me
-
-Include a very brief summary of your project here. Images are encouraged when needed, along with concise, high-level text. Be sure to include:
-
-- the goal of the application
-- challenges you faced in realizing the application
-- the instructions you present in the website should be clear enough to use the application, but if you feel any need to provide additional instructions please do so here.
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diff --git a/package.json b/package.json
new file mode 100644
index 0000000..5aeb81d
--- /dev/null
+++ b/package.json
@@ -0,0 +1,15 @@
+{
+    "name": "a4-brendan-mannion",
+    "version": "1.0.0",
+    "description": "CS 4241 Assignment 4 Creative Coding",
+    "author": "Brendan Mannion",
+    "scripts": {
+        "start": "node server.js"
+    },
+    "dependencies": {
+        "express": "^4.18.2"
+    },
+    "engines": {
+        "node": "16.x"
+    }
+}
\ No newline at end of file
diff --git a/public/index.html b/public/index.html
new file mode 100644
index 0000000..f91d0ef
--- /dev/null
+++ b/public/index.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="stylesheet" type="text/css" href="main.css">
+    <title>Draw!</title>
+</head>
+<body>
+    <h1>Draw!</h1>
+    <div class="color-buttons">
+        <button onclick="changePenColor('red')" style="background-color: red;">Red</button>
+        <button onclick="changePenColor('blue')" style="background-color: blue;">Blue</button>
+        <button onclick="changePenColor('green')" style="background-color: green;">Green</button>
+        <button onclick="changePenColor('black')" style="background-color: black; color: white;">Black</button>
+        <button onclick="changePenColor('white')" style="background-color: white;">White</button>
+        <button onclick="changePenColor('yellow')" style="background-color: yellow;">Yellow</button>
+        <button onclick="changePenColor('orange')" style="background-color: orange;">Orange</button>
+        <button onclick="changePenColor('purple')" style="background-color: purple;">Purple</button>
+        <button onclick="changePenColor('pink')" style="background-color: pink;">Pink</button>
+    </div>
+  
+    <div class="size-buttons">
+        <button onclick="changePenSize(1)">Size 1</button>
+        <button onclick="changePenSize(3)">Size 3</button>
+        <button onclick="changePenSize(5)">Size 5</button>
+        <button onclick="changePenSize(7)">Size 7</button>
+        <button onclick="changePenSize(10)">Size 10</button>
+    </div>
+  
+    <div class="action-buttons">
+        <button onclick="clearCanvas()">Clear</button>
+        <button onclick="rotateCanvas()">Rotate</button>
+        <button onclick="undoAction()">Undo</button>
+    </div>
+  
+    <div class="overview-box">
+        <h2>Button Overview</h2>
+        <p><strong>Colors:</strong> Change pen color</p>
+        <p><strong>Sizes:</strong> Change pen size</p>
+        <p><strong>Clear:</strong> Clear the canvas</p>
+        <p><strong>Rotate:</strong> Rotate the canvas 90 degrees clockwise</p>
+        <p><strong>Undo:</strong> Undo the last action</p>
+    </div>
+
+    <canvas id="drawingCanvas" width="800" height="600"></canvas>
+    <script src="main.js"></script>
+</body>
+</html>
diff --git a/public/main.css b/public/main.css
new file mode 100644
index 0000000..f03c690
--- /dev/null
+++ b/public/main.css
@@ -0,0 +1,56 @@
+body {
+    margin: 5;
+    padding: 5;
+    font-family: Arial, sans-serif;
+    background-color: #f0f0f0;
+}
+
+h1 {
+    background-color: #333;
+    color: #fff;
+    text-align: center;
+    padding: 20px 0;
+}
+
+canvas {
+    display: block;
+    margin: 0 auto;
+    border: 2px solid #333;
+    background-color: #fff;
+}
+
+.color-buttons {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    margin: 12px; 
+}
+
+.size-buttons {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    margin: 12px; 
+}
+
+.action-buttons {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    margin: 12px; 
+}
+
+.overview-box {
+  position: absolute;
+  top: 2%; 
+  right: 2%; 
+  width: 30%; 
+  max-width: 300px;
+  background-color: rgba(255, 255, 255, 0.8);
+  border: 1px solid #ccc;
+  padding: 10px;
+  border-radius: 5px;
+  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
+}
+
+
diff --git a/public/main.js b/public/main.js
new file mode 100644
index 0000000..4827b38
--- /dev/null
+++ b/public/main.js
@@ -0,0 +1,90 @@
+const canvas = document.getElementById('drawingCanvas');
+const context = canvas.getContext('2d');
+let isDrawing = false;
+let penColor = 'black'; // Default pen color
+let penSize = 1; // Default pen size
+const drawingActions = [];
+let currentActionIndex = -1;
+
+canvas.addEventListener('mousedown', (e) => {
+    isDrawing = true;
+    context.beginPath();
+    context.moveTo(e.clientX - canvas.offsetLeft, e.clientY - canvas.offsetTop);
+    context.lineWidth = penSize; 
+});
+
+canvas.addEventListener('mousemove', (e) => {
+    if (!isDrawing) return;
+    context.strokeStyle = penColor; 
+    context.lineTo(e.clientX - canvas.offsetLeft, e.clientY - canvas.offsetTop);
+    context.stroke();
+});
+
+canvas.addEventListener('mouseup', () => {
+    isDrawing = false;
+    context.closePath();
+  
+    // Save the drawing action for undoAction()
+    saveDrawingAction();
+});
+
+canvas.addEventListener('mouseout', () => {
+    isDrawing = false;
+    context.closePath();
+});
+
+function changePenColor(color) {
+    penColor = color;
+}
+
+function changePenSize(size) {
+    penSize = size;
+}
+
+function clearCanvas() {
+    context.clearRect(0, 0, canvas.width, canvas.height);
+}
+
+function undoAction() {
+    if (currentActionIndex >= 0) {
+        drawingActions.pop(); 
+        currentActionIndex--;
+        clearCanvas();
+        redrawDrawing();
+    }
+}
+
+// Saves each drawing action to help undoAction function
+function saveDrawingAction() {
+    const imageData = context.getImageData(0, 0, canvas.width, canvas.height);
+    const action = { color: penColor, size: penSize, imageData };
+    drawingActions.push(action);
+    currentActionIndex = drawingActions.length - 1;
+}
+
+// Redoes list of drawing actions to help undoAction function
+function redrawDrawing() {
+    clearCanvas();
+    for (let i = 0; i <= currentActionIndex; i++) {
+        const action = drawingActions[i];
+        context.strokeStyle = action.color;
+        context.lineWidth = action.size;
+        context.putImageData(action.imageData, 0, 0);
+    }
+}
+
+function rotateCanvas() {
+    const newCanvas = document.createElement('canvas');
+    newCanvas.width = canvas.height;
+    newCanvas.height = canvas.width;
+    const newContext = newCanvas.getContext('2d');
+
+    newContext.translate(newCanvas.width / 2, newCanvas.height / 2);
+    newContext.rotate(Math.PI / 2);
+    newContext.drawImage(canvas, -canvas.width / 2, -canvas.height / 2);
+
+    canvas.width = newCanvas.width;
+    canvas.height = newCanvas.height;
+    context.drawImage(newCanvas, 0, 0);
+}
+
diff --git a/server.js b/server.js
new file mode 100644
index 0000000..22a6243
--- /dev/null
+++ b/server.js
@@ -0,0 +1,5 @@
+const express = require("express"), app = express();
+
+app.use(express.static("public"));
+
+app.listen(process.env.PORT || 3000);
\ No newline at end of file