1. Open Conditional Styling topic [Using Row Classes](https://staging.infragistics.com/products/ignite-ui-blazor/blazor/components/grids/hierarchical-grid/conditional-cell-styling#using-row-classes) 2. Snippet is defined with `activeRow: (row) => row.index === 0` while sample has `activeRow: (row) => row.index % 2 === 0` 3. CSS snippet sets `border` and `border-left` while sample css sets `border-top` and `border-left`