adding overflow: auto to sticky footer examples to stop the preview content overflowing all over the code panes

Author: chrisdavidmills

css-cookbook/sticky-footer-flexbox.html

@@ -29,6 +29,7 @@
 
         .preview {
             height: 400px;
+            overflow: auto;
         }
     </style>
 
@@ -95,4 +96,4 @@
 </body>
 <script src="playable.js"></script>
 
-</html>
+</html>

css-cookbook/sticky-footer.html

@@ -27,6 +27,7 @@
 
         .preview {
             height: 400px;
+            overflow: auto;
         }
     </style>
 
@@ -75,4 +76,4 @@
 </body>
 <script src="playable.js"></script>
 
-</html>
+</html>