table.tablesorter thead tr th {
  padding-right: 20px;
}
table.tablesorter thead tr .header {
	background-image: url(/bg.gif);
	background-repeat: no-repeat;
	background-position: center right;
	cursor: pointer;
}
table.tablesorter thead tr .headerSortUp {
	background-image: url(/asc.gif);
}
table.tablesorter thead tr .headerSortDown {
	background-image: url(/desc.gif);
}
table.tablesorter thead tr .headerSortDown, table.tablesorter thead tr .headerSortUp {
  background-color: #f5f5f5;
}