xtable.css

td.xtable-data, 
th.xtable-title,
th.xtable-heading,
th.xtable-error {
  font-family: "MS Sans Serif",Verdana, Geneva, Arial, Helvetica, sans-serif;
  font-size: 0.8em;
  color : Black;
  /*text-align: left;*/
  vertical-align: top;
}

th.xtable-heading {
  background-color : #DEE3EF;
  font-weight: bold;
}

th.xtable-title,
th.xtable-error {
  background-color : #DEE3EF;
  font-weight: bold;
}

th.xtable-error {
  color: red;
}