Fix some formatting

07-property-example.html

@@ -12,7 +12,7 @@
 <script type="text/babel">
 // Here's a more practical example of a component, it formats a date
 // and returns a <span> containing that formatted string.
- function DateSpan(props) {
+function DateSpan(props) {
  var date = props.date,
  day = date.getDate(),
  month = date.getMonth() + 1,

08-nested-components.html

@@ -13,7 +13,7 @@
 // for this, the children property is used inside the component
 
 // This component just wraps its children in an <li> element
- function Item(props) {
+function Item(props) {
  return <li>{props.children}</li>;
 }
 

10-example-app.html

@@ -9,7 +9,8 @@
 
 <div id="app"></div>
 
-<script type="text/babel">var Idle = function(props) {
+<script type="text/babel">
+var Idle = function(props) {
  return (
  <React.Fragment>
  <button onClick={props.onStart}>Start timer</button>