Added some CSS to the footer of the page

Author: Christelle-b

Wireframe/index.html

@@ -44,7 +44,7 @@ <h2>ReadMe file</h2>
     </main>
     <footer>
       <p>
-        This is the default, provided code and no changes have been made yet.
+        End of Article
       </p>
     </footer>
   </body>

Wireframe/style.css

@@ -53,6 +53,8 @@ footer {
   position: fixed;
   bottom: 0;
   text-align: center;
+  width: 100%;
+  background-color: rgb(112, 117, 116);
 }
 /* ====== Articles Grid Layout ====
 Setting the rules for how articles are placed in the main element.