diff --git a/index.html b/index.html
index 24f3a8e..b49a4c7 100644
--- a/index.html
+++ b/index.html
@@ -23,39 +23,54 @@
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Todo HTML & CSS
-            <div class="Tile-links"><a target="_blank" href="./step1-02/demo/">demo</a> | <a target="_blank" href="./step1-01/exercise/">exercise</a> | <a target="_blank" href="./step1-02/final/">final</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step1-02/demo/">demo</a> | <a target="_blank" href="./step1-02/exercise/">exercise</a> |
+              <a target="_blank" href="./step1-02/final/">final</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Todo JS
-            <div class="Tile-links"><a target="_blank" href="./step1-03/demo/">demo</a> | <a target="_blank" href="./step1-03/exercise/">exercise</a> |
-            <a target="_blank" href="./step1-03/final/">final</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step1-03/demo/">demo</a> | <a target="_blank" href="./step1-03/exercise/">exercise</a> |
+              <a target="_blank" href="./step1-03/final/">final</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             React Intro
-            <div class="Tile-links"><a target="_blank" href="./step1-04/demo/">demo</a> |
-            <a target="_blank" href="./step1-04/final/">final</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step1-04/demo/">demo</a> | <a target="_blank" href="./step1-04/final/">final</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             React Components
-            <div class="Tile-links"><a target="_blank" href="./step1-05/demo/">demo</a> | <a target="_blank" href="./step1-05/exercise/">exercise</a> | <a target="_blank" href="./step1-05/final/">final</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step1-05/demo/">demo</a> | <a target="_blank" href="./step1-05/exercise/">exercise</a> |
+              <a target="_blank" href="./step1-05/final/">final</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             State-Driven UI
-            <div class="Tile-links"><a target="_blank" href="./step1-06/demo/">demo</a> | <a target="_blank" href="./step1-06/exercise/">exercise</a> | <a target="_blank" href="./step1-06/final/">final</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step1-06/demo/">demo</a> | <a target="_blank" href="./step1-06/exercise/">exercise</a> |
+              <a target="_blank" href="./step1-06/final/">final</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
-              UI-Driven State
-            <div class="Tile-links"><a target="_blank" href="./step1-07/demo/">demo</a> | <a target="_blank" href="./step1-07/exercise/">exercise</a> | <a target="_blank" href="./step1-07/final/">final</a></div>
+            UI-Driven State
+            <div class="Tile-links">
+              <a target="_blank" href="./step1-07/demo/">demo</a> | <a target="_blank" href="./step1-07/exercise/">exercise</a> |
+              <a target="_blank" href="./step1-07/final/">final</a>
+            </div>
           </div>
         </li>
       </ul>
@@ -69,55 +84,73 @@
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Typescript Basics
-            <div class="Tile-links"><a target="_blank" href="./step2-01/demo/">demo</a> | <a target="_blank" href="./step2-01/exercise/">exercise</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step2-01/demo/">demo</a> | <a target="_blank" href="./step2-01/exercise/">exercise</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             UI Fabric
-            <div class="Tile-links"><a target="_blank" href="./step2-02/demo/">demo</a> | <a target="_blank" href="./step2-02/exercise/">exercise</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step2-02/demo/">demo</a> | <a target="_blank" href="./step2-02/exercise/">exercise</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Theming and Styling
-            <div class="Tile-links"><a target="_blank" href="./step2-03/demo/">demo</a> | <a target="_blank" href="./step2-03/exercise/">exercise</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step2-03/demo/">demo</a> | <a target="_blank" href="./step2-03/exercise/">exercise</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Testing with jest
-            <div class="Tile-links"><a target="_blank" href="./step2-04/demo/">demo</a> | <a target="_blank" href="./step2-04/exercise/">exercise</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step2-04/demo/">demo</a> | <a target="_blank" href="./step2-04/exercise/">exercise</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Redux: Reducers
-            <div class="Tile-links"><a target="_blank" href="./step2-05/demo/">demo</a> | <a target="_blank" href="./step2-05/exercise/">exercise</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step2-05/demo/">demo</a> | <a target="_blank" href="./step2-05/exercise/">exercise</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Redux: Dispatch Actions
-            <div class="Tile-links"><a target="_blank" href="./step2-06/demo/">demo</a> | <a target="_blank" href="./step2-06/exercise/">exercise</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step2-06/demo/">demo</a> | <a target="_blank" href="./step2-06/exercise/">exercise</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Redux: Connect to UI
-            <div class="Tile-links"><a target="_blank" href="./step2-07/demo/">demo</a> | <a target="_blank" href="./step2-07/exercise/">exercise</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step2-07/demo/">demo</a> | <a target="_blank" href="./step2-07/exercise/">exercise</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Redux: Combine Reducers
-            <div class="Tile-links"><a target="_blank" href="./step2-08/demo/">demo</a> | <a target="_blank" href="./step2-08/exercise/">exercise</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step2-08/demo/">demo</a> | <a target="_blank" href="./step2-08/exercise/">exercise</a>
+            </div>
           </div>
         </li>
         <li class="Tile Tile--numbered">
           <div class="Tile-link">
             Redux: Service Calls
-            <div class="Tile-links"><a target="_blank" href="./step2-09/demo/">demo</a> | <a target="_blank" href="./step2-09/exercise/">exercise</a></div>
+            <div class="Tile-links">
+              <a target="_blank" href="./step2-09/demo/">demo</a> | <a target="_blank" href="./step2-09/exercise/">exercise</a>
+            </div>
           </div>
         </li>
       </ul>