diff --git a/.github/prepare_web_viewer.py b/.github/prepare_web_viewer.py
index 8679b41..4593ef7 100644
--- a/.github/prepare_web_viewer.py
+++ b/.github/prepare_web_viewer.py
@@ -2,15 +2,16 @@ import argparse
 from read_metadata import readMetadata
 import re
 import os
-from pathlib import Path
-import shutil
+# from pathlib import Path
+# import shutil
 
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(prog="Web viewer formatter")
     parser.add_argument("--src-path", type=str, required=True, help="Path to the .tex sources (for metadata)")
     parser.add_argument("--out-path", type=str, required=True, help="Path of the output directory")
-    parser.add_argument("--pdfs-path", type=str, required=True, help="Path of the pdfs directory")
+    parser.add_argument("--gh-raw-pdf-url", type=str, required=True, help="Base URL of Github raw pdfs")
+    # parser.add_argument("--pdfs-path", type=str, required=True, help="Path of the pdfs directory")
     parser.add_argument("--template-path", type=str, default="./web-viewer", help="Path to the templates")
     args = parser.parse_args()
 
@@ -19,10 +20,10 @@ if __name__ == "__main__":
     url_pdf_dir = "pdfs"
     dest_pdf_dir = os.path.join(args.out_path, url_pdf_dir)
     with open(os.path.join(args.template_path, "index.html"), "r") as f: index_template = f.read()
-    with open(os.path.join(args.template_path, "view.html"), "r") as f: viewer_template = f.read()
+    # with open(os.path.join(args.template_path, "view.html"), "r") as f: viewer_template = f.read()
 
     os.makedirs(args.out_path, exist_ok=True)
-    shutil.copytree(args.pdfs_path, dest_pdf_dir, dirs_exist_ok=True)
+    # shutil.copytree(args.pdfs_path, dest_pdf_dir, dirs_exist_ok=True)
 
 
     # Generate home page content
@@ -33,12 +34,12 @@ if __name__ == "__main__":
                 course_content = notes_metadata[year][semester][course]["content"]
 
                 if (len(course_content) == 1) and (course_content[0]["name"] is None):
-                    table_of_content += f"<h2><a href={Path(course_content[0]['url']).stem}.html>{course_name}</a></h2>\n"
+                    table_of_content += f"<h2><a href='{os.path.join(args.gh_raw_pdf_url, course_content[0]['url'])}'>{course_name}</a></h2>\n"
                 else:
                     table_of_content += f"<h2>{course_name}</h2>\n"
                     table_of_content += "<ul>\n"
                     for content in course_content:
-                        table_of_content += f"<li><h3><a href={Path(content['url']).stem}.html>{content['name']}</a></h3></li>\n"
+                        table_of_content += f"<li><h3><a href='{os.path.join(args.gh_raw_pdf_url, content['url'])}'>{content['name']}</a></h3></li>\n"
                     table_of_content += "</ul>\n"
 
     with open(os.path.join(args.out_path, "index.html"), "w") as f:
@@ -52,17 +53,16 @@ if __name__ == "__main__":
 
 
     # Generate viewer content
-    for year in notes_metadata.keys():
-        for semester in notes_metadata[year].keys():
-            for course in notes_metadata[year][semester]:
-                course_name = notes_metadata[year][semester][course]["name"]
-                course_content = notes_metadata[year][semester][course]["content"]
-
-                for content in course_content:
-                    content_local_path = os.path.join(url_pdf_dir, content["url"])
-                    content_html_name = f"{Path(content['url']).stem}.html"
-                    with open(os.path.join(args.out_path, content_html_name), "w") as f:
-                        page_content = re.sub(r"{{pdf-path}}", f"{content_local_path}", viewer_template)
-                        page_content = re.sub(r"{{course-name}}", f"{Path(content['url']).name}", page_content)
-                        f.write(page_content)
+    # for year in notes_metadata.keys():
+    #     for semester in notes_metadata[year].keys():
+    #         for course in notes_metadata[year][semester]:
+    #             course_name = notes_metadata[year][semester][course]["name"]
+    #             course_content = notes_metadata[year][semester][course]["content"]
 
+    #             for content in course_content:
+    #                 content_local_path = os.path.join(url_pdf_dir, content["url"])
+    #                 content_html_name = f"{Path(content['url']).stem}.html"
+    #                 with open(os.path.join(args.out_path, content_html_name), "w") as f:
+    #                     page_content = re.sub(r"{{pdf-path}}", f"{content_local_path}", viewer_template)
+    #                     page_content = re.sub(r"{{course-name}}", f"{Path(content['url']).name}", page_content)
+    #                     f.write(page_content)
\ No newline at end of file
diff --git a/.github/web-viewer/index.html b/.github/web-viewer/index.html
index fea5f1f..62fa521 100644
--- a/.github/web-viewer/index.html
+++ b/.github/web-viewer/index.html
@@ -8,8 +8,20 @@
     <style>
         * {
             font-family: monospace, monospace;
-            color: white;
-            background-color: #292929;
+        }
+
+        @media (prefers-color-scheme: light) {
+            * {
+                color: black;
+                background-color: white;
+            }
+        }
+
+        @media (prefers-color-scheme: dark) {
+            * {
+                color: white;
+                background-color: #292929;
+            }
         }
     </style>
 </head>
diff --git a/.github/workflows/compile.yml b/.github/workflows/compile.yml
index 242657c..4119167 100644
--- a/.github/workflows/compile.yml
+++ b/.github/workflows/compile.yml
@@ -67,8 +67,8 @@ jobs:
           python3 ${GITHUB_WORKSPACE}/.github/prepare_web_viewer.py \
             --src-path=${GITHUB_WORKSPACE}/src \
             --out-path=/tmp/webviewer \
-            --pdfs-path=${GITHUB_WORKSPACE}/.compiled \
             --template-path=${GITHUB_WORKSPACE}/.github/web-viewer \
+            --gh-raw-pdf-url="https://raw.githubusercontent.com/NotXia/unibo-ai-notes/pdfs"
 
       - name: Move to pages branch
         uses: s0/git-publish-subdir-action@develop
diff --git a/.gitignore b/.gitignore
index 96bba81..1e08165 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,4 +11,6 @@
 *.run.xml
 [!_]*.pdf
 
-.compiled
\ No newline at end of file
+.compiled
+
+__pycache__
\ No newline at end of file