Fix in index of cool-stuff and <a> has high z-index

src/cool-stuff/index.html

@@ -29,9 +29,12 @@ If a page uses/requires JavaScript, its link will be marked with (&#x2615).
 					Static
 				</h3>
 					<ul>
-						<li><a href="recipes">Recipes</li>
+						<li><a href="recipes">Recipes</a></li>
 					</ul>
 			</div>
+			<footer>
+				<p><a href="../">Return</a></p>
+			</footer>
 		</main>
 	</body>
 </html>

src/sass/global.sass

@@ -115,6 +115,8 @@ li
   @extend p
 
 a
+  position: relative
+  z-index: 999
   text-decoration: none
   &:link
     color: $secondary-color