:root {
  --th-background-color: #96BA8D;
  --th-dbl-background-color: #669900;
  --th-trp-background-color: green;
  --td-background-color: lightgrey;
  --td-odd-background-color: #cccccc;
  --td-odd-even-color: lightgrey;
  --h2-background-color: #669900;
  --h3-background-color: #96BA8D;
}