modificado ficheiro

proba.html

@@ -36,17 +36,17 @@ <h1>Navbar example</h1>
                   <!--https://getbootstrap.com/docs/4.0/components/alerts/
                   ================================================== -->
           <div class="alert alert-success" role="alert">
-  <h4 class="alert-heading">Well done!</h4>
-  <p>Aww yeah, you successfully read this important alert message. This example text is going to run a bit longer so that you can see how spacing within an alert works with this kind of content.</p>
-  <hr>
-  <p class="mb-0">Whenever you need to, be sure to use margin utilities to keep things nice and tidy.</p>
-</div>
+                  <h4 class="alert-heading">Well done!</h4>
+                  <p>Aww yeah, you successfully read this important alert message. This example text is going to run a bit longer so that you can see how spacing within an alert works with this kind of content.</p>
+                  <hr>
+                  <p class="mb-0">Whenever you need to, be sure to use margin utilities to keep things nice and tidy.</p>
+                </div>
           <h1>De fábrica </h1>
           tecleando htmlb4 cando está en Atom instalado
           <code>apm install atom-bootstrap4 </code>
           <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
           <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.2/js/bootstrap.min.js" integrity="sha384-vZ2WRJMwsjRMW/8U7i6PWi6AlO1L79snBrmgiDpgIWJ82z8eA5lenwvxbMV1PAh7" crossorigin="anonymous"></script>
-          </body>
+
         </div> <!-- /container -->