body { 
color: black; 
font-style: normal;
font-variant: normal;
font-weight: normal;
font-size: 12pt;
font-family: Arial;
}

table {
  border: 1px solid black; 
  border-collapse: collapse;
}

tr {
  border: 1px solid black; 
}

th {
  background-color: lightgrey;
  font-weight: normal;
  text-align: center;
  border: 1px solid black; 
}

th.chart4 {
  font-weight: bold;
}

td {
  border: 1px solid black; 
}

td.chart3x {
  white-space: pre;
  font-size: 9pt;
  font-family: Courier, monospace;
}

td.chart4 {
  white-space: pre;
  font-size: 9pt;
  font-family: Courier, monospace;
}