table.lecture-legacy th:nth-child(2), table.lecture-legacy td:nth-child(2) {
  width: 22ch;
}

table.lecture-legacy th:nth-child(3), table.lecture-legacy td:nth-child(2) {
  width: 17ch;
}

table.lecture-legacy th:nth-child(4), table.lecture-legacy td:nth-child(4) {
  width: 10ch;
}