ttp://www.w3.org/TR/CSS21/visufx.html#clipping" />
  <style type="text/css">
   #test-outer {
      width: 150px; height: 150px; border: 20px solid lime; background-color: teal;
      position: absolute; left: 60px; top: 60px; clip: rect(0px, 100px, 100px, 0px);
   }
   #test-middle {
      width: 250px; height: 150px; border: 10px solid fuchsia; background-color: red;
      position: absolute; left: 0px; top: 0px; clip: rect(0px, 50px, 50px, 0px);
   }
   #test-inner {
      width: 150px; height: 250px; bo