/* Fix table head */
.tableFixHead    {
  width: 850px;
  overflow: auto;
  height: 350px;
}
.tableFixHead th, caption {
  position: sticky;
  top: 0;
}

.tableFixHead table {
  border-collapse: collapse;
  width: 100%;
  background:#eee;
  font-size: 1.2rem;
}
.tableFixHead th, td {
  padding: 8px 16px;
}
.tableFixHead th {
  background:#bbb;
  min-width: 8rem;
}

.tableFixHead tbody tr:nth-child(odd){
  background-color: #ddd;
}