static void Main(string[] args)
        {
            var file = @"D:\css.csv";
           var adress = GetAlexaTop1mlnUrls("http://s3.amazonaws.com/alexa-static/top-1m.csv.zip").Take(20);
            var list = ParseCSV(@"D:\css.csv").Where(item => !string.IsNullOrEmpty(item));
            using (var stream = new StreamWriter(@"D:\statistic.csv", false, Encoding.UTF8))
            {
                foreach (var item in tmp)
                {
                    stream.Write(item + ",");
                    var properties = ScanCssFile(item, list);
                    stream.Write(string.Join(",", properties));
                    stream.WriteLine(",");

                }
            }
        }
private static IEnumerable<string> ParseCSV(string file)
        {
            var csv = new CsvReader(File.OpenText(file));
            while (csv.Read())
            {
                yield return csv.GetField<string>("Name");
            }
        }
 private static IEnumerable<string> ScanCssFile(string url, IEnumerable<string> list)
        {
            var config = new Configuration().WithDefaultLoader();
            var document = BrowsingContext.New(config).OpenAsync(Url.Create(url)).Result;
            var items = document.QuerySelectorAll(@"[rel=""stylesheet""]").Select(x => x.Attributes.First(atr => atr.Name.Equals("href")).Value);

            if (items.Count() == 0) return SearchCssProperty(url, list);

            return items.SelectMany(x => SearchCssProperty(x, list));
        }

        private static IEnumerable<string> SearchCssProperty(string url,IEnumerable<string> list)
        {
            List<string> properties = new List<string>();
            var content = GetContent(url);
            var css = new CssParser(content).Parse().Rules;
            foreach (var style in css)
            {
                foreach (var i in list)
                {
                    if (style.CssText.ToString().Contains(i))
                    {
                        properties.Add(i);
                    }
                }
            }
            return properties.Distinct();
        }

private static string GetContent(string url)
        {
            using (var client = new WebClient())
            {
                try {
                    return client.DownloadString(url);
                }
                catch(Exception)
                {
                    return string.Empty;
                }
            }
        }