diff --git a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/.buildinfo b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/.buildinfo
index 657f8dfb3..274febcdb 100644
--- a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/.buildinfo
+++ b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/.buildinfo
@@ -1,4 +1,4 @@
 # Sphinx build info version 1
 # This file records the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: dd0603e002c97b836ded75c7c4d16b34
+config: 4760030b34a26062dc781134f9001777
 tags: 62a1e7829a13fc7881b6498c52484ec0
diff --git a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/_static/main.css b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/_static/main.css
index bf52fd28b..3d66cc9d1 100644
--- a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/_static/main.css
+++ b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/_static/main.css
@@ -523,7 +523,7 @@ dl.class dl.field-list, dl.type dl.field-list, dl.function dl.field-list, dl.mem
   #cover .container {
     width: 100%;
     top: 0;
-    background: rgba(0,0,0,0); }
+    background: #047e2c; }
     #cover .container .logo {
       font-size: 24pt;
       color: #ffffff;
diff --git a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/esp-idf_espnow_rc-car.pdf b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/esp-idf_espnow_rc-car.pdf
index e9e9f8779..c4b03ab73 100644
Binary files a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/esp-idf_espnow_rc-car.pdf and b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/esp-idf_espnow_rc-car.pdf differ
diff --git a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/index.html b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/index.html
index c19f07f42..9bb97f7e0 100644
--- a/ESP-IDF_Robot/tutorial/docs/build/simplepdf/index.html
+++ b/ESP-IDF_Robot/tutorial/docs/build/simplepdf/index.html
@@ -8,7 +8,7 @@
    ByteRider 06-2025 documentation
   </title>
   <link href="_static/pygments.css?v=d75fae25" rel="stylesheet" type="text/css"/>
-  <link href="_static/main.css?v=0662ea1e" rel="stylesheet" type="text/css"/>
+  <link href="_static/main.css?v=29f195d9" rel="stylesheet" type="text/css"/>
   <script src="_static/documentation_options.js?v=84c8e5cb">
   </script>
   <script src="_static/doctools.js?v=9bcbadda">
diff --git a/ESP-IDF_Robot/tutorial/docs/source/conf.py b/ESP-IDF_Robot/tutorial/docs/source/conf.py
index fa344022a..64bfb5874 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/conf.py
+++ b/ESP-IDF_Robot/tutorial/docs/source/conf.py
@@ -38,8 +38,8 @@ simplepdf_title = 'ESP-IDF ESPNOW RC Car'
 simplepdf_author = 'Alexander B.'
 simplepdf_file_name = 'esp-idf_espnow_rc-car.pdf'
 simplepdf_vars = {
-#    'cover-overlay': '#047e2c',
-#    'cover-bg': "#034b1b",
+    'cover-overlay': '#047e2c',
+    'cover-bg': "#034b1b",
     'primary-opaque': 'rgba(26, 150, 26, 0.8)',
     'primary': "#1A961A",
     'secondary': "#379683",