diff --git a/.gitignore b/.gitignore
index 91424b0..c3c1634 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,4 @@
 build/
 cache/
 target/
-packages/forensics
+puzzles
\ No newline at end of file
diff --git a/devel-server.py b/devel-server.py
index 3b29fa6..cd3c407 100755
--- a/devel-server.py
+++ b/devel-server.py
@@ -1,5 +1,6 @@
 #!/usr/bin/python3
 
+import glob
 import http.server
 import mistune
 import pathlib
@@ -22,7 +23,12 @@ def page(title, body):
 </html>""".format(title, body)
 
 def mdpage(body):
-    title, _ = body.split('\n', 1)
+    try:
+        title, _ = body.split('\n', 1)
+    except ValueError:
+        title = "Result"
+    title = title.lstrip("#")
+    title = title.strip()
     return page(title, mistune.markdown(body))
 
 
@@ -33,7 +39,9 @@ class MothHandler(http.server.CGIHTTPRequestHandler):
     def do_GET(self):
         if self.path == "/":
             self.serve_front()
-        elif self.path.startswith("/files/"):
+        elif self.path.startswith("/puzzles"):
+            self.serve_puzzles()
+        elif self.path.startswith("/files"):
             self.serve_file()
         else:
             self.send_error(HTTPStatus.NOT_FOUND, "File not found")
@@ -61,6 +69,18 @@ you are a fool.
 """
         self.serve_md(page)
 
+    def serve_puzzles(self):
+        body = []
+        parts = self.path.split("/")
+        if len(parts) < 3:
+            body.append("# Puzzle Categories")
+            # List all categories
+            for i in glob.glob("puzzles/*/"):
+                body.append("* [{}](/{})".format(i, i))
+        else:
+            body.append("# Not Implemented Yet")
+        self.serve_md('\n'.join(body))
+
     def serve_file(self):
         if self.path.endswith(".md"):
             self.serve_md()
diff --git a/doc/devel-server.md b/doc/devel-server.md
index 4090872..9393b33 100644
--- a/doc/devel-server.md
+++ b/doc/devel-server.md
@@ -26,7 +26,7 @@ In the directory containing `devel-server.py`, you would run something like:
 
     git clone /path/to/my/puzzles-repository puzzles
 
-or
+or on Unix:
 
     ln -s /path/to/my/puzzles-repository puzzles
 
diff --git a/www/res/style.css b/www/res/style.css
index 4d559a4..404d707 100644
--- a/www/res/style.css
+++ b/www/res/style.css
@@ -39,6 +39,7 @@ body {
 
 pre, tt {
     font-family: 'Dosis', monospace;
+    background-color: rgba(0, 0, 0, 0.3);
 }
 
 .terminal {