assets/styles/main.css

@@ -220,6 +220,16 @@ body {
     display: none;
 }
 
+/*Footer*/
+
+.footer {
+    display: flex;
+    flex-direction: column;
+    background: #000000;
+    align-items: center;
+    padding: 38px 0;
+}
+
 /*Versão mobile*/
 
 @media screen and (max-width: 320px) {

index.html

@@ -146,5 +146,7 @@
                 </figure>
             </div>
         </main>
+
+        <footer class="page-footer"></footer>
     </body>
 </html>