staff 
{ 
  display: table; 
  color: black; 
  background-color: white; 
  border: solid 1px black;
}

employee 
{ 
  display: table-row;
  border: solid 1px black;
  padding: 1px;
}

employeeId, name, position, salary, gender, address 
{ 
  display: table-cell; 
  border: solid 1px black;
  padding: 1px;
}

address[domestic="Yes"] 
{ 
  background-color: silver; 
}

address[street="Yes"]
{
  color: green;
}

address[street="No"]
{
  color: red;
}