#game {
  margin: auto;
  width: 80vw;
}

#game > #new_game {
  width: 100%;
  margin: calc(50vh - 50px) 0;
}

thead#start > tr > th:first-of-type {
  width: 10vw;
}

thead#start > tr > th:nth-of-type(2) {
  width: 70vw;
}

thead#end > tr > th:first-of-type {
  width: 3vw;
}

.button.disabled {
  display: none;
}

/*
To be deleted
*/

.done {
  text-decoration: line-through;
}

.done::after {
  content: " ✓";
}