How-to create rounded corners on Table Head only

The problem is, that you need to make the certain inner elements round.

So you have to make for the first th and the last th round to get the wished solution.

table th:first-child{
  border-radius:10px 0 0 10px;
}

table th:last-child{
  border-radius:0 10px 10px 0;
}