text: SPREADSHEET = "books_data"
  SHEET_BOOKS = "Books"
  
  PATH_VBOOKS = "/Aplicaciones/vbooks"
  
  COL_DATE = "Date"
  
  # fmt: off
  COLORS = {
      "Total": ("black", 500), "Total_dim": ("grey", 600),
      "Català": ("blue", 500), "Català_dim": ("blue", 300),
      "Español": ("red", 500), "Español_dim": ("red", 300),
      "English": ("green", 500), "English_dim": ("green", 300),
      "Italiano": ("purple", 500), "Italiano_dim": ("purple", 300),
      "Years": ("grey", 500),
  }
  # fmt: on
  