diff --git a/index.html b/index.html
index 76254c13..7e34ebda 100644
--- a/index.html
+++ b/index.html
@@ -20,153 +20,151 @@
   </head>
 
   <body>
-    <div class="header">
-
-        <a href="#">
-          <img
-            src="images/bikes-for-refugees_logo.jpg"
-            alt="Logo for Bikes for Refugees Scotland"
-            class="header__logo"
-          />
-        </a>
-
-        <div>
-          <ul class="navigation__list">
-            <li class="navigation__item">
-              <a class="navigation__link" href="#">Home</a>
-            </li>
-            <li class="navigation__item">
-              <a class="navigation__link" href="#">About Us</a>
-            </li>
-            <li class="navigation__item">
-              <a class="navigation__link" href="#">News & Events</a>
-            </li>
-            <li class="navigation__item">
-              <a class="navigation__link" href="#">Contact Us</a>
-            </li>
-          </ul>
+    <header class="header">
+      <a href="#">
+        <img
+          src="images/bikes-for-refugees_logo.jpg"
+          alt="Logo for Bikes for Refugees Scotland"
+          class="header__logo"
+        />
+      </a>
+
+      <nav>
+        <ul class="navigation__list">
+          <li class="navigation__item">
+            <a class="navigation__link" href="#">Home</a>
+          </li>
+          <li class="navigation__item">
+            <a class="navigation__link" href="#">About Us</a>
+          </li>
+          <li class="navigation__item">
+            <a class="navigation__link" href="#">News & Events</a>
+          </li>
+          <li class="navigation__item">
+            <a class="navigation__link" href="#">Contact Us</a>
+          </li>
+        </ul>
+      </nav>
+
+      <button class="btn btn-primary">Donate Now</button>
+    </header>
+
+    <main class="content">
+      <section class="main">
+        <div class="alert">
+          You've helped us give <span class="text-highlight">72</span> bikes
+          to refugees and asylum seekers so far. <strong>Thank you!</strong>
         </div>
 
-        <button>Donate Now</button>
-
-    </div>
-
-    <div class="content">
-        <div class="main">
-          <div class="alert">
-            You've helped us give <span class="text-highlight">72</span> bikes
-            to refugees and asylum seekers so far. <strong>Thank you!</strong>
-          </div>
-
-          <div class="hero">
-            <h1>Bikes for Refugees</h1>
-            <p>
-              Providing donated bikes and accessories to refugees and asylum
-              seekers in Scotland.
-            </p>
-            <button>Donate a bike today</button>
-            <button>Volunteer</button>
-          </div>
-
-          <div>
-            <h2 class="heading-underline">Learn more</h2>
-
-            <div>
-              <div class="article">
-                <h3 class="article__title">Why do refugees need bikes?</h3>
-                <p class="article__summary">
-                  Many refugees are placed in housing in areas where there are
-                  few jobs. Bikes provide low-cost transportation so that they
-                  can get to work, manage child care and do their shopping.
-                </p>
-                <p class="article__read-more">
-                  <a href="#">
-                    <span class="arrow-right"></span>
-                    Learn more
-                  </a>
-                </p>
-              </div>
-
-              <div class="article">
-                <h3 class="article__title">How can I help?</h3>
-                <p class="article__summary">
-                  We need lots of bikes and bike accessories! If you have an
-                  old bike you don't use, bring it to one of our dropoff
-                  events. Or come attend one of our fundraisers.
-                </p>
-                <p class="article__read-more">
-                  <a href="#">
-                    <span class="arrow-right"></span>
-                    Learn more
-                  </a>
-                </p>
-              </div>
-            </div>
-          </div>
-        </div>
+        <section class="hero">
+          <h1>Bikes for Refugees</h1>
+          <p>
+            Providing donated bikes and accessories to refugees and asylum
+            seekers in Scotland.
+          </p>
+          <button class="btn btn-primary">Donate a bike today</button>
+          <button class="btn btn-secondary">Volunteer</button>
+        </section>
+
+        <section class="learn-more">
+          <h2 class="heading-underline">Learn more</h2>
+
+          <div class="articles">
+            <article class="article">
+              <h3 class="article__title">Why do refugees need bikes?</h3>
+              <p class="article__summary">
+                Many refugees are placed in housing in areas where there are
+                few jobs. Bikes provide low-cost transportation so that they
+                can get to work, manage child care and do their shopping.
+              </p>
+              <p class="article__read-more">
+                <a href="#">
+                  <span class="arrow-right"></span>
+                  Learn more
+                </a>
+              </p>
+            </article>
 
-        <div class="sidebar">
-          <h2 class="heading-underline">Upcoming events</h2>
-
-          <div class="article">
-            <img
-              class="article__thumbnail"
-              src="spring-fundraisers_thumbnail.jpg"
-              alt=""
-            />
-            <div class="article__content">
-              <h3 class="article__title">
-                <a class="article__title-link" href="#">Join us for our Spring fundraisers</a>
-              </h3>
+            <article class="article">
+              <h3 class="article__title">How can I help?</h3>
               <p class="article__summary">
-                Riders needed now to help raise awareness and funds for BfR and
-                Médecins Sans Frontières.
+                We need lots of bikes and bike accessories! If you have an
+                old bike you don't use, bring it to one of our dropoff
+                events. Or come attend one of our fundraisers.
+              </p>
+              <p class="article__read-more">
+                <a href="#">
+                  <span class="arrow-right"></span>
+                  Learn more
+                </a>
               </p>
-            </div>
+            </article>
           </div>
+        </section>
+      </section>
+
+      <aside class="sidebar">
+        <h2 class="heading-underline">Upcoming events</h2>
 
-          <div class="article">
-            <img
-              class="article__thumbnail"
-              src="bikes-for-refugees_logo.jpg"
-              alt=""
-            />
-            <div class="article__content">
-              <h3 class="article__title">
-                <a class="article__title-link" href="#">Bike dropoff event in Edinburgh on May 11</a>
-              </h3>
-            </div>
+        <article class="article">
+          <img
+            class="article__thumbnail"
+            src="images/spring-fundraisers_thumbnail.jpg"
+            alt="Spring fundraisers event"
+          />
+          <div class="article__content">
+            <h3 class="article__title">
+              <a class="article__title-link" href="#">Join us for our Spring fundraisers</a>
+            </h3>
+            <p class="article__summary">
+              Riders needed now to help raise awareness and funds for BfR and
+              Médecins Sans Frontières.
+            </p>
           </div>
+        </article>
 
-          <div class="article">
-            <img
-              class="article__thumbnail"
-              src="edinburgh-damascus_thumbnail.png"
-              alt=""
-            />
-            <div class="article__content">
-              <h3 class="article__title">
-                <a class="article__title-link" href="#">Help us cycle 4,797km</a>
-              </h3>
-              <p class="article__summary">
-                We need you to help us cycle 4797km, the distance of Edinburgh
-                to Damascus.
-              </p>
-            </div>
+        <article class="article">
+          <img
+            class="article__thumbnail"
+            src="images/bikes-for-refugees_logo.jpg"
+            alt="Bikes for Refugees logo"
+          />
+          <div class="article__content">
+            <h3 class="article__title">
+              <a class="article__title-link" href="#">Bike dropoff event in Edinburgh on May 11</a>
+            </h3>
           </div>
+        </article>
 
-          <a
-            href="https://www.facebook.com/BikesforRefugeesScotland/events/?ref=page_internal"
-            target="_blank"
-            class="facebook-link"
-          >
-            <span class="fa fa-facebook-square"></span>
-            All Facebook events
-          </a>
-        </div>
-    </div>
+        <article class="article">
+          <img
+            class="article__thumbnail"
+            src="images/edinburgh-damascus_thumbnail.png"
+            alt="Edinburgh to Damascus cycling challenge"
+          />
+          <div class="article__content">
+            <h3 class="article__title">
+              <a class="article__title-link" href="#">Help us cycle 4,797km</a>
+            </h3>
+            <p class="article__summary">
+              We need you to help us cycle 4797km, the distance of Edinburgh
+              to Damascus.
+            </p>
+          </div>
+        </article>
+
+        <a
+          href="https://www.facebook.com/BikesforRefugeesScotland/events/?ref=page_internal"
+          target="_blank"
+          class="facebook-link"
+        >
+          <span class="fa fa-facebook-square"></span>
+          All Facebook events
+        </a>
+      </aside>
+    </main>
 
-    <div class="footer">
+    <footer class="footer">
       <div class="footer__content">
         <p>
           <strong>Bikes for Refugees Scotland is a volunteer-led project to help
@@ -174,6 +172,6 @@ <h3 class="article__title">
         </p>
         <p>Website by Code Your Future</p>
       </div>
-    </div>
+    </footer>
   </body>
-</html>
+</html>
\ No newline at end of file
diff --git a/styles/style.css b/styles/style.css
index 4d1c088e..1f798b0b 100644
--- a/styles/style.css
+++ b/styles/style.css
@@ -63,10 +63,12 @@ p {
 .navigation__list {
   display: flex;
   list-style: none;
+  padding-left: 0;
 }
 
 .navigation__item {
   padding: 0.5rem 0;
+  margin: 0 1rem;
 }
 
 .navigation__link {
@@ -76,6 +78,9 @@ p {
   text-decoration: none;
 }
 
+.navigation__link:hover {
+  color: var(--orange-dark);
+}
 
 /* Text styles */
 
@@ -94,8 +99,35 @@ p {
 
 
 /* Buttons */
+.btn {
+  padding: 0.75rem 1.5rem;
+  border-radius: 4px;
+  font-weight: 600;
+  text-transform: uppercase;
+  border: 2px solid var(--orange-dark);
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.btn-primary {
+  background-color: var(--orange-dark);
+  color: var(--white);
+}
+
+.btn-primary:hover {
+  background-color: var(--white);
+  color: var(--orange-dark);
+}
 
-  /* INSERT BUTTON STYLES HERE */
+.btn-secondary {
+  background-color: var(--white);
+  color: var(--orange-dark);
+}
+
+.btn-secondary:hover {
+  background-color: var(--orange-dark);
+  color: var(--white);
+}
 
 
 /* Content */
@@ -117,11 +149,16 @@ p {
   margin-bottom: 2rem;
 }
 
-/* hero */
+/* Hero */
 
 .hero {
-  background-image: url("header-bike.jpg");
+  background-image: url("../images/header-bike.jpg");
   background-color: var(--grey-light);
+  background-size: cover;
+  background-position: center;
+  padding: 4rem 2rem;
+  margin-bottom: 3rem;
+  border-radius: 4px;
 }
 
 .hero h1 {
@@ -134,6 +171,20 @@ p {
   margin-bottom: 2rem;
 }
 
+.hero button {
+  margin-right: 1rem;
+  margin-bottom: 1rem;
+}
+
+/* Learn more section */
+.learn-more {
+  margin-bottom: 2rem;
+}
+
+.articles {
+  display: flex;
+  gap: 2rem;
+}
 
 /* Headings */
 
@@ -162,7 +213,14 @@ p {
 /* Article */
 
 .article {
-  margin-bottom: 1rem;
+  margin-bottom: 1.5rem;
+  display: flex;
+}
+
+.sidebar .article {
+  border: 1px solid var(--grey-light);
+  border-radius: 4px;
+  padding: 1rem;
 }
 
 .article__title {
@@ -184,6 +242,8 @@ p {
 .article__thumbnail {
   object-fit: contain;
   width: 5rem;
+  height: 5rem;
+  margin-right: 1rem;
 }
 
 .article__read-more {
@@ -209,6 +269,14 @@ p {
 
 .facebook-link {
   color: var(--orange-dark);
+  text-decoration: none;
+  font-weight: 600;
+  display: block;
+  margin-top: 1rem;
+}
+
+.facebook-link:hover {
+  text-decoration: underline;
 }
 
 /* Sidebar */
@@ -217,6 +285,7 @@ p {
   display: flex;
   flex-direction: column;
   min-width: 350px;
+  padding: 0 1rem;
 }
 
 /* Footer */
@@ -246,5 +315,6 @@ p {
 
   .main {
     padding-right: 2rem;
+    flex: 1;
   }
-}
+}
\ No newline at end of file
