:host {
  display: table-header-group; /* Make the component behave as <thead> */
  width: 100%;
}
th {
  font-size: 1.1rem;
  font-weight: bold;
  padding: 1rem;
  border-bottom: 2px solid #ddd;
  text-align: center;
  width: 100%;
  &:first-child {
    width: 120px;
    border-bottom: 2px solid transparent;
  }
}