diff --git a/src/_includes/category-nav.njk b/src/_includes/category-nav.njk
new file mode 100644
index 0000000..cca81df
--- /dev/null
+++ b/src/_includes/category-nav.njk
@@ -0,0 +1,18 @@
+<div id="right-side">
+    <nav id="category-nav">
+        <div id="category-nav-container">
+            <h2>Shop by Category</h2>
+            <div class="categories">
+                <ul>
+                    <li><a href="/gallery/?category=trees#" class="cat-btn">Trees</a></li>
+                    <li><a href="/gallery/?category=shrubs#" class="cat-btn">Shrubs</a></li>
+                    <li><a href="/gallery/?category=indoor#" class="cat-btn">Indoor</a></li>
+                    <li><a href="/gallery/?category=patio#" class="cat-btn">Patio</a></li>
+                    <li><a href="/gallery/?category=tools#" class="cat-btn">Tools</a></li>
+                    <li><a href="/gallery/?category=accessories#" class="cat-btn">Accessories</a></li>
+                    <li><a href="/gallery/?category=landscaping#" class="cat-btn">Landscaping</a></li>
+                </ul>
+            </div>
+        </div>
+    </nav>
+</div>
\ No newline at end of file
diff --git a/src/gallery.njk b/src/gallery.njk
index 2ea904a..68d6f07 100644
--- a/src/gallery.njk
+++ b/src/gallery.njk
@@ -8,6 +8,7 @@ stylesheet:
   - "/styles/base.css"
   - "/styles/header.css"
   - "/styles/gallery.css"
+  - "/styles/category-nav.css"
   - "/styles/footer.css"
   - "/styles/modals.css"
 fontAwesome: "https://kit.fontawesome.com/c42448086d.js"
@@ -42,22 +43,9 @@ pageScripts:
       </button>
     </div>
   </section>
-  <aside id="right-aside">
-    <div id="category-nav-container" aria-label="Available Product Categories">
-      <h2>Shop by Category</h2>
-      <div class="categories">
-        <ul>
-          <li><a href="/gallery/?category=trees#" class="cat-btn">Trees</a></li>
-          <li><a href="/gallery/?category=trees#" class="cat-btn">Shrubs</a></li>
-          <li><a href="/gallery/?category=indoor#" class="cat-btn">Indoor</a></li>
-          <li><a href="/gallery/?category=indoor#" class="cat-btn">Patio</a></li>
-          <li><a href="/gallery/?category=tools#" class="cat-btn">Tools</a></li>
-          <li><a href="/gallery/?category=tools#" class="cat-btn">Accessories</a></li>
-          <li><a href="/gallery/?category=tools#" class="cat-btn">Landscaping</a></li>
-        </ul>
-      </div>
-    </div>
-  </aside>
+
+  {% include "category-nav.njk" %}
+  
 </div>
 <div id="gallery-bottom">
   <button id="cart-details">View Shopping Cart</button>
diff --git a/src/index.njk b/src/index.njk
index b0d7bf4..b62959a 100644
--- a/src/index.njk
+++ b/src/index.njk
@@ -8,6 +8,7 @@ stylesheet:
     - "/styles/base.css"
     - "/styles/header.css"
     - "/styles/index.css"
+    - "/styles/category-nav.css"
     - "/styles/footer.css"
     - "/styles/modal.css"
 fontAwesome: "https://kit.fontawesome.com/c42448086d.js"
@@ -70,22 +71,6 @@ pageScripts:
 		</section>
 	</div>
 
-	<div id="right-side">
-		<nav id="category-nav">
-			<div id="category-nav-container">
-				<h2>Shop by Category</h2>
-				<div class="categories">
-					<ul>
-						<li><a href="/gallery/?category=trees#" class="cat-btn">Trees</a></li>
-						<li><a href="/gallery/?category=shrubs#" class="cat-btn">Shrubs</a></li>
-						<li><a href="/gallery/?category=indoor#" class="cat-btn">Indoor</a></li>
-						<li><a href="/gallery/?category=patio#" class="cat-btn">Patio</a></li>
-						<li><a href="/gallery/?category=tools#" class="cat-btn">Tools</a></li>
-						<li><a href="/gallery/?category=accessories#" class="cat-btn">Accessories</a></li>
-						<li><a href="/gallery/?category=landscaping#" class="cat-btn">Landscaping</a></li>
-					</ul>
-				</div>
-			</div>
-		</nav>
-	</div>
+	{% include "category-nav.njk" %}
+	
 </div>
diff --git a/src/styles/category-nav.css b/src/styles/category-nav.css
new file mode 100644
index 0000000..db639b7
--- /dev/null
+++ b/src/styles/category-nav.css
@@ -0,0 +1,81 @@
+/* --- CATEGORY NAVIGATION --- */
+#right-side {
+    display: flex;
+    flex-direction: column;
+}
+
+#category-nav {
+    display: flex;
+    flex: 1;
+    flex-direction: column;
+    align-items: center;
+    background-color: var(--color-soft-golden);
+    padding: 5px 10px;
+    margin-top: 10px;
+    box-shadow: var(--shadow-strong);
+    max-width: 325px;
+    border: solid var(--color-destin-sand);
+    border-radius: 10px;
+}
+
+#category-nav-container {
+    background-color: var(--color-destin-sand);
+    color: var(--color-dark-green);
+    border: solid var(--color-dark-green);
+    border-radius: 10px;
+    padding: 5px 10px;
+    margin-top: 5px;
+    text-align: center;
+    width: 90%;
+    box-shadow: var(--shadow-strong);
+}
+
+#category-nav h2 {
+    font-size: 1.675rem;
+    background-color: var(--color-light-teal);
+    color: var(--color-dark-green);
+    border: solid var(--color-dark-green);
+    border-radius: 10px;
+    padding: 0 5px;
+    white-space: nowrap;
+    box-shadow: var(--shadow-strong);
+}
+
+.categories ul {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    list-style-type: none;
+    gap: 5px;
+}
+
+.categories ul li {
+    border: solid var(--color-dark-green);
+    border-radius: 10px;
+    background-color: var(--color-mid-green);
+    margin-top: 20px;
+    min-width: 100%;
+    transition: background-color 0.3s ease, color 0.3s ease;
+    box-shadow: var(--shadow-strong);
+}
+
+.categories a {
+    color: var(--color-dark-green);
+    font-size: 1.3rem;
+    font-weight: bold;
+    transition: background-color 0.3s ease, color 0.3s ease;
+
+}
+
+.categories ul li:hover {
+    background-color: var(--color-destin-sand);
+    color: var(--color-dark-green); 
+    box-shadow: var(--shadow-medium);
+}
+
+.categories ul li a:hover {
+    background: none;
+    border: none;
+    box-shadow: none;
+    color: inherit;
+}
\ No newline at end of file
diff --git a/src/styles/index.css b/src/styles/index.css
index a304f52..d883fa5 100644
--- a/src/styles/index.css
+++ b/src/styles/index.css
@@ -220,78 +220,4 @@ p.short-description {
 
 #featured-container a {
   text-decoration: none;
-}
-
-/* --- CATEGORY NAVIGATION --- */
-#category-nav {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  background-color: var(--color-soft-golden);
-  padding: 5px 10px;
-  margin-top: 10px;
-  border: solid var(--color-destin-sand);
-  border-radius: 10px;
-}
-
-#category-nav-container {
-  background-color: var(--color-destin-sand);
-  color: var(--color-dark-green);
-  border: solid var(--color-dark-green);
-  border-radius: 10px;
-  padding: 5px 10px;
-  margin-top: 5px;
-  text-align: center;
-  width: 90%;
-  box-shadow: var(--shadow-strong);
-}
-
-#category-nav h2 {
-  font-size: 1.675rem;
-  background-color: var(--color-light-teal);
-  color: var(--color-dark-green);
-  border: solid var(--color-dark-green);
-  border-radius: 10px;
-  padding: 0 5px;
-  white-space: nowrap;
-  box-shadow: var(--shadow-strong);
-}
-
-.categories ul {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  list-style-type: none;
-  gap: 5px;
-}
-
-.categories ul li {
-  border: solid var(--color-dark-green);
-  border-radius: 10px;
-  background-color: var(--color-mid-green);
-  margin-top: 20px;
-  min-width: 100%;
-  transition: background-color 0.3s ease, color 0.3s ease;
-  box-shadow: var(--shadow-strong);
-}
-
-.categories a {
-  color: var(--color-dark-green);
-  font-size: 1.3rem;
-  font-weight: bold;
-  transition: background-color 0.3s ease, color 0.3s ease;
-
-}
-
-.categories ul li:hover {
-  background-color: var(--color-destin-sand);
-  color: var(--color-dark-green); 
-  box-shadow: var(--shadow-medium);
-}
-
-.categories ul li a:hover {
-  background: none;
-  border: none;
-  box-shadow: none;
-  color: inherit;
 }
\ No newline at end of file