require("bufferline").setup{
    options = {
        separator_style = "slant",
        show_buffer_icons = true,
        show_close_icon = false,
        diagnostics = "nvim_lsp",
        diagnostics_indicator = function(count, level)
            local icon = level:match("error") and "" or ""
            return icon .. count
        end,
        highlights = {
            tab = {
                fg = '#121212',
                bg = '#120000'
            }
        }
    }
}