table {
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid black;
  border-radius: 10px;
  text-align: center;
}

table tr th {
  background-color: #aaaaaa;
  font-weight: bold;
  font-size: 1.3em;
}

td,
th {
  padding-inline: 0.5rem;
  padding-block: 0.2rem;
}

td {
  border-top: 1px solid rgb(0, 0, 0);
}

td,th {
  border-left: 1px solid rgb(0, 0, 0);
}

td:first-child,th:first-child {
  border-left: 0px;
}

td:only-child {
  font-size: 1.1em;
  text-align: center;
  font-weight: bold;
  background-color: #cccccc !important;
}

table tr:first-child th:first-child {
  border-top-left-radius: 10px;
}

table tr:first-child th:last-child {
  border-top-right-radius: 10px;
}

table tr:last-child td:first-child {
  border-bottom-left-radius: 10px;
}

table tr:last-child td:last-child {
  border-bottom-right-radius: 10px;
}