Cria o footer desktop e mobile

assets/styles/main.css

@@ -148,6 +148,30 @@ body{
     line-height: 24px;
 }
 
+.page-footer{
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    padding: 38px 0;
+    background: #000000;
+}
+
+.footer-icons{
+    display: flex;
+    list-style: none;
+    margin-bottom: 16px;
+}
+.footer-icon{
+    margin: 0 8px;
+}
+
+.footer-text{
+    font-size: 10px;
+    line-height: 12px;
+    text-transform: uppercase;
+    color: #BDBDBD;
+}
+
 @media screen and (max-width: 414px){
     .main-banner-desktop,
     .middle-banner-desktop{
@@ -181,6 +205,15 @@ body{
     .bottom-cards-descripition{
         font-size: 14px;
     }
+
+    .page-footer{
+        padding-bottom: 26px;
+    }
+
+    .footer-text{
+        max-width: 280px;
+        text-align: center;
+    }
 }
 
 @media screen and (max-width: 992px) {

index.html

@@ -107,5 +107,31 @@
                 </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>