diff --git a/alternating.html b/alternating.html
index a3f5035..d90ace4 100644
--- a/alternating.html
+++ b/alternating.html
@@ -3,28 +3,54 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-rbsA2VBKQhggwzxH7pPCaAqO46MgnOM80zW1RWuH61DGLwZJEdK2Kadq2F9CUG65" crossorigin="anonymous">
     <title>Cookie Store</title>
   </head>
   <body>
     <main>
-      <h2>Our Cookies</h2>
-      <p>Checkout our latest and delicious cookies.</p>
-
-      <h3>Mint Chocolate</h3>
-      <p>Tasty mint chocolate cookies</p>
-      <img src="images/mint-cookie.png" alt="A single mint chocolate cookie" />
-
-      <h3>Peanut Butter</h3>
-      <p>Yummy peanut buttery goodness</p>
-      <img src="images/peanut-cookie.png" alt="A single peanut butter cookie" />
-
-      <h3>Oatmeal</h3>
-      <p>Your fitness instructors favorite</p>
-      <img src="images/oatmeal-cookie.png" alt="A single oatmeal cookie" />
-
-      <h3>Chocolate Chip</h3>
-      <p>Gooey chocolate you'll love</p>
-      <img src="images/chip-cookie.png" alt="A single chocolate chip cookie" />
+      <h2 style="text-align: center;">Our Cookies</h2>
+      <p style="text-align: center;">Checkout our latest and delicious cookies.</p>
+      <div class="container">
+        <div class="row">
+          <div class="col-12 col-sm-12 col-md-4 offset-md-4 d-flex flex-column justify-content-center order-md-2">
+            <h3>Mint Chocolate</h3>
+            <p>Tasty mint chocolate cookies</p>
+          </div>
+          <div class="col-12 col-sm-12 col-md-4 d-flex align-items-center order-md-1">
+            <img src="images/mint-cookie.png" alt="A single mint chocolate cookie" class="img-fluid" />
+          </div>
+        </div>
+      
+        <div class="row">
+          <div class="col-12 col-sm-12 col-md-4 d-flex flex-column justify-content-center order-md-1">
+            <h3>Peanut Butter</h3>
+            <p>Yummy peanut buttery goodness</p>
+          </div>
+          <div class="col-12 col-sm-12 col-md-4 offset-md-4 d-flex align-items-center order-md-2">
+            <img src="images/peanut-cookie.png" alt="A single peanut butter cookie" class="img-fluid" />
+          </div>
+        </div>
+      
+        <div class="row">
+          <div class="col-12 col-sm-12 col-md-4 offset-md-4 d-flex flex-column justify-content-center order-md-2">
+            <h3>Oatmeal</h3>
+            <p>Your fitness instructor's favorite</p>
+          </div>
+          <div class="col-12 col-sm-12 col-md-4 d-flex align-items-center order-md-1">
+            <img src="images/oatmeal-cookie.png" alt="A single oatmeal cookie" class="img-fluid" />
+          </div>
+        </div>
+      
+        <div class="row">
+          <div class="col-12 col-sm-12 col-md-4 d-flex flex-column justify-content-center order-md-1">
+            <h3>Chocolate Chip</h3>
+            <p>Gooey chocolate you'll love</p>
+          </div>
+          <div class="col-12 col-sm-12 col-md-4 offset-md-4 d-flex align-items-center order-md-2">
+            <img src="images/chip-cookie.png" alt="A single chocolate chip cookie" class="img-fluid" />
+          </div>
+        </div>
+      </div>
     </main>
   </body>
 </html>
diff --git a/css/styles.css b/css/styles.css
index 3c3f2b6..f1de7ac 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -1 +1,64 @@
 /* Add custom css styles here */
+#main-header {
+    height: 100vh;
+    width: 100vw;
+    background-image: url('../images/coffee-biscuits.jpg');
+    background-size: cover;
+    background-position: center;
+    background-repeat: no-repeat;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
+
+h2 {
+    text-align: center;
+    padding-top: 60px;
+}
+
+.image-container img.center-img {
+    display: block;
+    margin: 0 auto;
+    border-radius: 50%;
+    width: 300px;
+    height: 300px;
+    object-fit: cover;
+}
+
+.image-container h3,
+.image-container p {
+    text-align: center;
+}
+
+.centered-div {
+    text-align: center;
+    padding: 20px;
+    background-color: rgba(0, 0, 0, 0.5);
+    color: lightgray;
+    border-radius: 15px;
+}
+
+#about-us-container {
+    display: grid;
+    grid-template-columns: 1fr 3fr;
+    align-items: center;
+    padding-bottom: 60px;
+}
+
+#about-image {
+    border-radius: 50%;
+    width: 300px;
+    height: 300px;
+}
+
+#about-text {
+    line-height: 2;
+}
+
+#main-footer {
+    padding-bottom: 60px;
+    background-color:dodgerblue;
+    color:white;
+    text-align: center;
+}
+  
\ No newline at end of file
diff --git a/index.html b/index.html
index eae824d..a0c5343 100644
--- a/index.html
+++ b/index.html
@@ -4,48 +4,62 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Cookie Store</title>
+    <link href="css/styles.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-rbsA2VBKQhggwzxH7pPCaAqO46MgnOM80zW1RWuH61DGLwZJEdK2Kadq2F9CUG65" crossorigin="anonymous">
   </head>
   <body>
-    <header>
-      <h1>Cookie Store</h1>
-      <p>Buy our awesome cookies. All proceeds go to charity!</p>
+    <header id="main-header">
+      <div class="centered-div">
+        <h1>Cookie Store</h1>
+        <p>Buy our awesome cookies. All proceeds go to charity!</p>
+      </div>
     </header>
 
     <main>
       <h2>Our Cookies</h2>
-      <p>Checkout our latest and delicious cookies.</p>
-
-      <h3>Mint Chocolate</h3>
-      <p>Tasty mint chocolate cookies</p>
-      <img src="images/mint-cookie.png" alt="A single mint chocolate cookie" />
-
-      <h3>Peanut Butter</h3>
-      <p>Yummy peanut buttery goodness</p>
-      <img src="images/peanut-cookie.png" alt="A single peanut butter cookie" />
-
-      <h3>Oatmeal</h3>
-      <p>Your fitness instructors favorite</p>
-      <img src="images/oatmeal-cookie.png" alt="A single oatmeal cookie" />
-
-      <h3>Chocolate Chip</h3>
-      <p>Gooey chocolate you'll love</p>
-      <img src="images/chip-cookie.png" alt="A single chocolate chip cookie" />
+      <p style="text-align: center;">Checkout our latest and delicious cookies.</p>
+      <div class = "container" style="padding-bottom: 60px;">
+        <div class="row">
+          <div class="col-12 col-sm-12 col-md-6 col-lg-3 image-container">
+            <h3>Mint Chocolate</h3>
+            <p>Tasty mint chocolate cookies</p>
+            <img src="images/mint-cookie.png" alt="A single mint chocolate cookie" class="img-fluid center-img"/>
+          </div>
+          <div class="col-12 col-sm-12 col-md-6 col-lg-3 image-container">
+            <h3>Peanut Butter</h3>
+            <p>Yummy peanut buttery goodness</p>
+            <img src="images/peanut-cookie.png" alt="A single peanut butter cookie" class="img-fluid center-img"/>
+          </div>
+          <div class="col-12 col-sm-12 col-md-6 col-lg-3 image-container">
+            <h3>Oatmeal</h3>
+            <p>Your fitness instructors favorite</p>
+            <img src="images/oatmeal-cookie.png" alt="A single oatmeal cookie" class="img-fluid center-img"/>
+          </div>
+          <div class="col-12 col-sm-12 col-md-6 col-lg-3 image-container">
+            <h3>Chocolate Chip</h3>
+            <p>Gooey chocolate you'll love</p>
+            <img src="images/chip-cookie.png" alt="A single chocolate chip cookie" class="img-fluid center-img"/>
+          </div>
+        </div>
+      </div>
     </main>
-    <div>
-      <h2>About us</h2>
 
-      <img src="images/bakers.svg" alt="illustrations of two people baking" />
-      <div>
-        Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
-        tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim
-        veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea
-        commodo consequat. Duis aute irure dolor in reprehenderit in voluptate
-        velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint
-        occaecat cupidatat non proident, sunt in culpa qui officia deserunt
-        mollit anim id est laborum.
+    <div style="background-color:aliceblue;">
+      <h2>About us</h2>
+      <div id="about-us-container">
+        <img src="images/bakers.svg" alt="illustrations of two people baking" id="about-image"/>
+        <div id="about-text">
+          Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+          tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim
+          veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea
+          commodo consequat. Duis aute irure dolor in reprehenderit in voluptate
+          velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint
+          occaecat cupidatat non proident, sunt in culpa qui officia deserunt
+          mollit anim id est laborum.
+        </div>
       </div>
     </div>
-    <footer>
+    <footer id="main-footer">
       <h2>Contact us</h2>
       <div>
         100 Broadway Avenue,<br />
