s" content="invalid"/>
  <style type="text/css">
   .case { float: left; border: solid; margin: 0.2em; background: #FFFFCC; } /* 150 x 100 */
   .test { padding: 16px; background: red; }
   .negative .test { background: url(support/ring.png) no-repeat; }
   .control { width: 118px; height: 68px; }

   .a .control, .b .control, .c .control, .d .control, .e .control, .f .control { background: url(support/diamond.png) no-repeat 100% 100%; }
   .case.a .test { background: url(support/ring.png) no-repeat right b