title: Why background image doesn't show up?
body: <p>I have this code in html and css. the problem is that the background image doesn't show up. first I thought the problem is with the size of the image and I made it smaller. but it made no change. can anyone help spotting the problem?</p>
  
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html&gt;
      &lt;head&gt;
          &lt;link rel="shortcut icon" href="favicon.ico"&gt;
          &lt;style&gt;
              {background-image:url('background.png');}
          &lt;/style&gt;
      &lt;/head&gt;
      &lt;title&gt;
          Melika Barzegaran Hosseini - Home Page
      &lt;/title&gt;
  &lt;/html&gt;
  </code></pre>