return {
  -- transparant config
  {
    "xiyaowong/transparent.nvim",
    lazy = true,
    event = "BufWinEnter",
    cmd = { "TransparentToggle", "TransparentEnable", "TransparentDisable" },
    config = function()
      require("transparent").setup({
        extra_groups = {
          "Normal",
          "NormalNC",
          "NormalFloat",
          "FloatBorder",
          "Comment",
          "Folded",
          "GitSignsAdd",
          "GitSignsDelete",
          "GitSignsChange",
          "FoldColumn",
          "WinBar",
          "WinBarNC",
          "NotifyBackground",
          "TabLine",
          "TabLineFill",
        },
        exclude_groups = {
          -- disable active selection backgroun
          "CursorLine",
          "CursorLineNR",
          "CursorLineSign",
          "CursorLineFold",
          -- disable nvimtree CursorLine
          "NvimTreeCursorLine",
          -- disable Neotree CursorLine
          "NeoTreeCursorLine",
          -- disable Telescope active selection background
          "TelescopeSelection",
          -- disable lualine background color
          "LualineNormal",
        },
      })
      require("transparent").clear_prefix("BufferLine")
      -- clear prefix for which-key
      require("transparent").clear_prefix("WhichKey")
      -- clear prefix for lazy.nvim
      require("transparent").clear_prefix("Lazy")
      -- clear prefix for NvimTree
      require("transparent").clear_prefix("NvimTree")
      -- clear prefix for NeoTree
      require("transparent").clear_prefix("NeoTree")
      -- clear prefix for Telescope
      require("transparent").clear_prefix("Telescope")
      require("transparent").clear_prefix("mason")
      -- create auto command to set transparent
      vim.cmd("TransparentDisable")
      vim.cmd("TransparentEnable")
      vim.api.nvim_set_hl(0, "MasonHeader", { bold = true, bg = "NONE", fg = "#838FA7" })
      vim.api.nvim_set_hl(0, "MasonMutedBlock", { bg = "NONE", fg = "#838FA7" })
      vim.api.nvim_set_hl(0, "MasonHighlightBlockBold", { bold = true, bg = "NONE", fg = "#ABB2BF" })
      vim.api.nvim_set_hl(0, "LazyH1", { bold = true, bg = "NONE", fg = "#ABB2BF" })
    end,
  },
  {
    "rcarriga/nvim-notify",
    opts = function(_, opts)
      opts.background_colour = "#00000000"
    end,
  },
}