title: how to change style text after checked a checkbox
body: <p>I would like to change the style of the text inside the </p>
  
  <p><code>&lt;input type="checkbox" /&gt; Origano</code></p>
  
  <p>to make "Origano" with style <code>text-decoration:line-through</code> after an user checked the box  </p>