return {
  {
    "navarasu/onedark.nvim",
    config = function()
    require('onedark').setup  {
        -- Main options --
        style = 'dark', -- Default theme style. Choose between 'dark', 'darker', 'cool', 'deep', 'warm', 'warmer' and 'light'
        transparent = true,  -- Show/hide background
        term_colors = true, -- Change terminal color as per the selected theme style
        ending_tildes = false, -- Show the end-of-buffer tildes. By default they are hidden
        cmp_itemkind_reverse = false, -- reverse item kind highlights in cmp menu

        -- toggle theme style ---
        toggle_style_key = nil, -- keybind to toggle theme style. Leave it nil to disable it, or set it to a string, for example "<leader>ts"
        toggle_style_list = {'dark', 'darker', 'cool', 'deep', 'warm', 'warmer', 'light'}, -- List of styles to toggle between

        -- Change code style ---
        -- Options are italic, bold, underline, none
        -- You can configure multiple style with comma separated, For e.g., keywords = 'italic,bold'
        code_style = {
            comments = 'italic',
            keywords = 'none',
            functions = 'none',
            strings = 'none',
            variables = 'none'
        },

        -- Lualine options --
        lualine = {
            transparent = true, -- lualine center bar transparency
        },

        -- Custom Highlights --
        colors = {}, -- Override default colors
        highlights = {}, -- Override highlight groups

        -- Plugins Config --
        diagnostics = {
            darker = true, -- darker colors for diagnostic
            undercurl = true,   -- use undercurl instead of underline for diagnostics
            background = true,    -- use background color for virtual text
        },
    }
    end,
  }
}
