body {background : #fff none; color : #000;}
a:link    { color : #009; background : transparent none; }
a:visited { color : #609; background : transparent none; }
a:active  { color : #f00; background : transparent none; }
a:hover   { color : #933; background : #eee none; }
td.ok  {background : #0f0; color: #000; text-align: right; }
td.nok {background : #f00; color: #000; text-align: right; }
td.na  {background : #ff0; color: #000; text-align: right; }