table:nth-of-type(1) thead tr th:nth-of-type(1) {
  width: 50%;
}
table:nth-of-type(1) thead tr th:nth-of-type(2) {
  width: 50%;
}


table:nth-of-type(2) thead tr th:nth-of-type(1) {
  width: 15%;
}
table:nth-of-type(2) thead tr th:nth-of-type(2) {
  width: 20%;
}
table:nth-of-type(2) thead tr th:nth-of-type(3) {
  width: 15%;
}
table:nth-of-type(2) thead tr th:nth-of-type(4) {
  width: 50%;
}