title: Google Maps CSS don't show map
body: <p>I have some problem with adding Google Maps to my project. When i get it into body tags it works. But when I have structure like this</p>
  
  <pre><code>&lt;body onload="initialize()"&gt;
  &lt;div&gt;
  &lt;div id="map_canvas" style="width:100%; height:100%"&gt;&lt;/div&gt;
  &lt;/div&gt;
  &lt;/body&gt;
  </code></pre>
  
  <p>it doesn't show anything. How I can solve this problem?</p>