Fixes the css

test/yavscTests/DumpHtml.cs

@@ -0,0 +1,39 @@
+using System.Net.Http;
+
+namespace Yavsc.Tests
+{
+    [Collection("Yavsc Server")]
+    public class DumpHtml : IClassFixture<WebServerFixture>
+    {
+        readonly WebServerFixture _server;
+        public DumpHtml(WebServerFixture server) { _server = server; }
+
+        [Fact]
+        [Trait("debug", "html")]
+        public void DumpHomePageHtml()
+        {
+            var settings = _server.SiteSettings;
+            var handler = new HttpClientHandler
+            {
+                ServerCertificateCustomValidationCallback = (_, _, _, _) => true,
+            };
+            var httpsUrl = _server.Addresses.FirstOrDefault(u => u.StartsWith("https:"))
+                ?? _server.Addresses.FirstOrDefault() ?? "";
+            using var client = new HttpClient(handler) { BaseAddress = new Uri(httpsUrl) };
+
+            var paths = new[] { "/Home/About", "/css/site.css", "/lib/bootstrap.quartz.min.css", "/nonexistent" };
+            var sb = new System.Text.StringBuilder();
+            sb.AppendLine($"BaseAddress = {httpsUrl}");
+            foreach (var p in paths)
+            {
+                var r = client.GetAsync(p).GetAwaiter().GetResult();
+                var b = r.Content.ReadAsStringAsync().GetAwaiter().GetResult();
+                sb.AppendLine($"GET {p} => {r.StatusCode} len={b.Length} ct={r.Content.Headers.ContentType}");
+                if (b.Length > 0 && b.Length < 500)
+                    sb.AppendLine($"  body: {b.Substring(0, Math.Min(300, b.Length))}");
+            }
+
+            Assert.Fail(sb.ToString());
+        }
+    }
+}