diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 50bc23d..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..496ee2c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
\ No newline at end of file
diff --git a/week-3/color-picker.html b/week-3/color-picker.html
new file mode 100644
index 0000000..f2d558d
--- /dev/null
+++ b/week-3/color-picker.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Color Picker</title>
+</head>
+<body>
+
+    <form >
+
+        <input type="color" name="bg" id="bg">
+    </form>
+    
+
+    <script>
+    let picker = document.getElementById('bg');
+    let body = document.querySelector('body');
+    let keyName = "bgColor";
+    let bgColor = window.localStorage.getItem(keyName) || '#ffffff';
+
+    picker.addEventListener('change', function(event) {
+        let hex = this.value;
+        console.log(hex);
+        setBg(hex);
+        window.localStorage.setItem(keyName, hex);
+
+    })
+
+    function setBg(color){
+        body.style.backgroundColor = color;
+        picker.value = color;
+    }
+
+    setBg(bgColor);
+
+
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/week-3/firestore.html b/week-3/firestore.html
index 7bbea19..25d3bcd 100644
--- a/week-3/firestore.html
+++ b/week-3/firestore.html
@@ -36,8 +36,38 @@
 
     </ul>
 
-
+    <script src="https://www.gstatic.com/firebasejs/7.8.0/firebase-app.js"></script>
+    <script src="https://www.gstatic.com/firebasejs/7.8.0/firebase-firestore.js"></script>
     <script>
+
+        // Initialize Cloud Firestore through Firebase
+        firebase.initializeApp({
+            apiKey: "AIzaSyBi03NBONZ2ncp4PSvjbAplWm6pC5XnjTw",
+            authDomain: "dmd-4470.firebaseapp.com",
+            databaseURL: "https://dmd-4470.firebaseio.com",
+            projectId: "dmd-4470",
+            storageBucket: "dmd-4470.appspot.com",
+            messagingSenderId: "159373794744",
+            appId: "1:159373794744:web:ca93db7d63c296b472834d"
+        });
+        var db = firebase.firestore();
+
+
+        var docRef = db.collection("shopping-lists").doc("mnTUo37Vem1NO2n7CptX");
+
+            docRef.get().then(function (doc) {
+                if (doc.exists) {
+                    console.log("Document data:", doc.data());
+                } else {
+                    // doc.data() will be undefined in this case
+                    console.log("No such document!");
+                }
+            }).catch(function (error) {
+                console.log("Error getting document:", error);
+            });
+
+
+
         const addBtn = document.getElementById('add');
         const inputBox = document.getElementById('item');
         const list = document.getElementById('shopping-list');
