diff --git a/assets/images/main-banner-desktop.png b/assets/images/main-banner-desktop.png
new file mode 100644
index 0000000..67dc789
Binary files /dev/null and b/assets/images/main-banner-desktop.png differ
diff --git a/assets/images/main-banner-mobile.png b/assets/images/main-banner-mobile.png
new file mode 100644
index 0000000..2da3a66
Binary files /dev/null and b/assets/images/main-banner-mobile.png differ
diff --git a/assets/styles/main.css b/assets/styles/main.css
index 97c06c0..a427bfc 100644
--- a/assets/styles/main.css
+++ b/assets/styles/main.css
@@ -13,4 +13,20 @@
 
 .header-logo {
     display: block;
+}
+
+.main-banner {
+    width: 100%;
+}
+
+@media screen and  (max-width: 414px) {
+    .main-banner-desktop {
+        display: none;
+    }
+}
+
+@media screen and  (min-width: 415px) {
+    .main-banner-mobile {
+        display: none;
+    }
 }
\ No newline at end of file
diff --git a/index.html b/index.html
index 9e1b789..9c06023 100644
--- a/index.html
+++ b/index.html
@@ -14,5 +14,11 @@
                 <img class="header-logo" src="./assets/images/m3-logo.png" alt="Logo M3">
             </a>
         </header>
+        <main>
+            <section>
+                <img class="main-banner main-banner-desktop" src="./assets/images/main-banner-desktop.png" alt="Banner principal Desktop">
+                <img class="main-banner main-banner-mobile" src="./assets/images/main-banner-mobile.png" alt="Banner principal Desktop">
+            </section>
+        </main>
     </body>
 </html>
\ No newline at end of file