/TR/CSS21/text.html#egbidiwscollapse" />
  <style type="text/css">* { margin: 0; padding: 0 }
   .control { display: inline; font: 1em/1 Ahem, sans-serif; background: red; color: white; }
   td { background: red; padding: 0; border: solid; }
   .test .test { color: aqua; background: yellow; font: 2em/1 Ahem; white-space: normal; }
   .reference .block { color: aqua; background: red; font: 2em/1 Ahem; white-space: normal; }
   .reference .space { color: yellow; background: red; font: 2em/1 Ahem; white-space: