background-color: #f6f6f6;  /* light grey */
      }

      /* Dark row and cell highlight. */
      table > tbody[row-highlight-style="dark"] > tr[selected],
      table > tbody[cell-highlight-style="dark"] > tr > td[selected] {
        background-color: rgb(103, 199, 165);  /* turquoise */
      }
      table > tbody[row-highlight-style="dark"] >
          tr:not(.empty-row):not([selected]):hover,