diff --git a/index.html b/index.html
index 1a138b6..7e63983 100644
--- a/index.html
+++ b/index.html
@@ -33,13 +33,23 @@ <h1>Grid Maker</h1>
       <div>
         <button id="add-row">Add Row</button>
         <button id="add-column">Add Column</button>
+        <button id="delete-rows">Delete Rows</button>
+        <button id="delete-columns">Delete Columns</button>
         <select id="color-select">
           <option value="red">Red</option>
           <option value="blue">Blue</option>
+          <option value="green">Green</option>
+          <option value="yellow">Yellow</option>
+          <option value="orange">Orange</option>
+          <option value="purple">Purple</option>
+          <option value="indigo">Indigo</option>
         </select>
         <button id="fill-grid">Fill Grid</button>
         <button id="clear-grid">Clear Grid</button>
       </div>
     </div>
+    <footer style="position: fixed; bottom: 0;  width: 100%; text-align: center;">
+      <p>&copy; 2025 Tina, Pedro and Emmanuel. All rights reserved.</p>
+    </footer>
   </body>
 </html>
diff --git a/main.js b/main.js
index 79a0fd1..26fc77c 100644
--- a/main.js
+++ b/main.js
@@ -5,3 +5,148 @@ root.addEventListener("click", (event) => {
   console.log(event.target.tagName);
   console.log(event.target);
 });
+
+//add rows to the grid
+const addRows = document.getElementById("add-row");
+const getTable = root.querySelector("table");
+
+addRows.addEventListener("click", () => {
+  const newRow = getTable.insertRow();
+  console.log("new row added");
+  for (let i = 0; i < getTable.rows[0].cells.length; i++) {
+    const newCells = newRow.insertCell();
+  }
+  cellListeners(); // Mouse dragging won't work unless it accounts for new cells added
+});
+
+// add columns to grid
+const addColumns = document.getElementById("add-column");
+
+addColumns.addEventListener("click", () => {
+  for (let i = 0; i < getTable.rows.length; i++) {
+    const row = getTable.rows[i];
+    const newCells = document.createElement("td");
+    row.appendChild(newCells);
+  }
+  cellListeners(); // Mouse dragging won't work unless it accounts for new cells added
+});
+
+
+// remove rows from the grid
+const deleteRows = document.getElementById("delete-rows");
+
+deleteRows.addEventListener("click", () => {
+  if (getTable.rows.length > 0) {
+    getTable.deleteRow(getTable.rows.length - 1);
+  }
+  console.log("rows have been deleted from the table with event listener");
+});
+
+
+//remove columns from grid
+const deleteColumns = document.getElementById("delete-columns");
+
+deleteColumns.addEventListener("click", () => {
+  for (let i = 0; i < getTable.rows.length; i++) {
+    const row = getTable.rows[i];
+    if (row.cells.length > 0) {
+      row.deleteCell(row.cells.length - 1);
+    }
+  }
+});
+
+// Emmanuel
+// Select a color from a dropdown menu of colors
+const colorSelect = document.getElementById("color-select");
+
+colorSelect.addEventListener("change", () => {
+  const selectedColor = colorSelect.value;
+  console.log("Selected color: ", selectedColor);
+});
+
+
+
+// fill all cells with selected color
+function fillAllCells() {
+  const color = document.getElementById('color-select').value;
+  const cells = document.querySelectorAll('td');
+
+  cells.forEach(cell => {
+    cell.style.backgroundColor = color;
+  });
+}
+
+// clear all cells
+function clearAllCells() {
+  const cells = document.querySelectorAll('td');
+
+  cells.forEach(cell => {
+    cell.style.backgroundColor = '';
+  });
+}
+
+// color helper test
+function colorCell(e) {
+  const color = document.getElementById("color-select").value;
+  e.target.style.backgroundColor = color;
+}
+
+
+/* click and hold (mouseover) from a single cell (start) to a different cell (end) 
+such that all affected/hovered-over cells from start to end change to the currently selected color
+*/
+
+let isMouseDown = false;
+let mouseButton = 0;
+
+function cellListeners() {
+  const cells = document.querySelectorAll("td");
+
+  cells.forEach(cell => {
+    // Prevent right-click menu
+    cell.addEventListener("contextmenu", (e) => {
+      e.preventDefault();
+    });
+
+    cell.addEventListener("mousedown", (e) => {
+      isMouseDown = true;
+      mouseButton = e.button; // 0 = left, 2 = right
+      applyMouseAction(e);
+    });
+
+    cell.addEventListener("mouseover", (e) => {
+      if (isMouseDown) {
+        applyMouseAction(e);
+      }
+    });
+
+    cell.addEventListener("mouseup", () => {
+      isMouseDown = false;
+    });
+  });
+}
+
+
+// 0 for left click, 2 for right click
+function applyMouseAction(e) {
+  if (mouseButton === 0) { 
+    colorCell(e);
+  } else if (mouseButton === 2) {
+    e.target.style.backgroundColor = "";
+  }
+}
+
+// Making sure mouse stops coloring when button is released
+document.body.addEventListener("mouseup", () => {
+  isMouseDown = false;
+});
+
+// Fill and clear buttons
+document.getElementById("fill-grid").addEventListener("click", fillAllCells);
+document.getElementById("clear-grid").addEventListener("click", clearAllCells);
+
+// A little listener for the grid cells
+cellListeners();
+
+
+