function center_cursor()
	local window_height = vim.api.nvim_win_get_height(0)
	local half_height = math.floor(window_height / 2)
	local first_line = vim.fn.line('w0')
	local pos = vim.fn.getpos('.')
	pos[2] = first_line + half_height
	vim.fn.setpos('.', pos)
end