title: How to change the font style to typewriter in R markdown
body: <p>I would like to write an article using R markdown. I would like to change the text type to <code>typewriter</code>. </p>
  
  <p>I tried this but does not work.</p>
  
  <pre><code>p.caption {
    color: #777;
    margin-top: 10px;
  }
  p code {
    white-space: inherit;
  }
  pre {
    word-break: normal;
    word-wrap: normal;
  }
  pre code {
    white-space: inherit;
  }
  /* Whole document: */
  body{
    font-family: typewriter;
    font-size: 16pt;
  }
  /* Headers */
  h1,h2,h3,h4,h5,h6{
    font-size: 24pt;
  }
  </code></pre>
  
  <p>Any help, please?</p>