Add top and bottom border to existing code

Sub ColorRow()

Dim lastRow As Long

lastRow = Range("B12").End(xlDown).Row

For Each Cell In Range("B12:I" & lastRow) ''change range accordingly
    If Cell.Row Mod 2 = 1 Then ''highlights row 2,4,6 etc|= 0 highlights 1,3,5
        Cell.Interior.ColorIndex = 15 ''color to preference
     
    Else
        Cell.Interior.ColorIndex = xlNone ''color to preference or remove
    End If
Next Cell

End Sub