title: how to set font-size font-family
body: <p>i have code like this but its not working</p>
  
  <pre><code>var t = r.text(100, 100, 'test');
  t.attr({font-size: 16});
  </code></pre>
  
  <p>giving me error</p>
  
  <pre><code>missing : after property id
  </code></pre>
  
  <p>here is documentation for raphael.js
  <a href="http://raphaeljs.com/reference.html" rel="noreferrer">http://raphaeljs.com/reference.html</a></p>