title: what does the tag "div.img img" mean?
body: <p>i understand the general idea of creating a class tag, such as .center or p.center, but what does it mean to do something like "p.center p"? i saw an example like this in creating an image gallery with css. what does the div.img img mean? thanks a bunch!</p>
  
  <pre><code>&lt;html&gt;
  &lt;head&gt;
  &lt;style type="text/css"&gt;
  div.img
  {
    margin: 2px;
  }   
  div.img img
  {
    display: inline;
    margin: 3px;
    border: 1px solid #ffffff;
  }
  div.img a:hover img {border: 1px solid #0000ff;}
  
  &lt;/style&gt;
  &lt;/head&gt;
  &lt;body&gt;
  &lt;div class="img"&gt;
    &lt;a target="_blank" href="klematis4_big.htm"&gt;&lt;img src="klematis4_small.jpg" alt="Klematis" width="110" height="90" /&gt;&lt;/a&gt;
  &lt;/div&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>