table, th, td {
  border:1px solid black;
  border-collapse: collapse;
}
/*
th, td {
  padding: 2px;
}
*/
th, td {
  padding-top: 4px;
  padding-bottom: 4px;
  padding-left: 8px;
  padding-right: 8px;
}
th, td { text-align: center; }
/*
tr:nth-child(even) {
  background-color: #D6EEEE;
}
*/