Cria o footer desktop e mobile

assets/styles/main.css

@@ -151,6 +151,31 @@ body {
 }
 
 
+.page-footer {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    background: #000000;
+    padding: 38px 0;
+}
+
+.footer-icons {
+    display: flex;
+    list-style-type: none;
+    margin-bottom: 16px;
+}
+
+.footer-icon {
+    margin: 0 8px;
+}
+
+.footer-text {
+    text-transform: uppercase;
+    line-height: 12px;
+    font-size: 10px;
+    color: #BDBDBD;
+}
+
 /* MEDIAS QUERIES */
 
 @media screen and  (max-width: 414px) {
@@ -186,6 +211,15 @@ body {
     .bottom-card-description {
         font-size: 14px;
     }
+
+    .page-footer {
+        padding-bottom: 26px;
+    }
+
+    .footer-text {
+        max-width: 280px;
+        text-align: center;
+    }
 }
 
 @media screen and  (max-width: 992px) {
@@ -234,8 +268,6 @@ body {
 }
 
 
-
-
 @media screen and (min-width: 769px ) and (max-width: 1200px) {
     .top-cards {
         grid-template-columns: repeat(2, max-content);

index.html

@@ -89,5 +89,30 @@
                 </div>
             </section>
         </main>
+
+        <footer class="page-footer">
+            <ul class="footer-icons">
+                <li class="footer-icon">
+                    <a href="#" target="_blank">
+                        <img src="./assets/images/instagram-icon.png" alt="Icone do Instagram">
+                    </a>
+                </li>
+
+                <li class="footer-icon">
+                    <a href="#" target="_blank">
+                        <img src="./assets/images/facebook-icon.png" alt="Icone do Facebook">
+                    </a>
+                </li>
+
+                <li class="footer-icon">
+                    <a href="#" target="_blank">
+                        <img src="./assets/images/youtube-icon.png" alt="Icone do YouTube">
+                    </a>
+                </li>
+            </ul>
+            <p class="footer-text">
+                Copyright © 2020 - Loja  Comércio Eletrônico CNPJ: 000.000.000/0001-00
+            </p>
+        </footer>
     </body>
 </html>