title: How to specify rows and columns of a <textarea > tag using wtforms
body: <p>Constructing a wtforms' TextAreaField is something like this:</p>
  
  <pre><code>content = wtf.TextAreaField('Content', id="content-area", validators=[validators.Required()])
  </code></pre>
  
  <p>How can I specify the number of rows and columns associated with this textarea?  </p>