diff --git a/sphinx/_static/img/logo_cymais.png b/sphinx/_static/img/logo_cymais.png
new file mode 100644
index 00000000..9dcd1fb8
Binary files /dev/null and b/sphinx/_static/img/logo_cymais.png differ
diff --git a/sphinx/conf.py b/sphinx/conf.py
index 1df4b694..ffebb15c 100644
--- a/sphinx/conf.py
+++ b/sphinx/conf.py
@@ -26,12 +26,18 @@ html_static_path = ['_static']
 
 html_sidebars = {
     '**': [
+        'logo.html',
         'structure.html',  # Include your custom template
     ]
 }
 
+cymais_logo = "_static/img/logo_cymais.png"
+html_favicon = cymais_logo
+
 html_theme_options = {
     "show_prev_next": False,
+    "logo_light": cymais_logo,
+    "logo_dark": cymais_logo,
 }
 
 source_suffix = {
diff --git a/sphinx/templates/logo.html b/sphinx/templates/logo.html
new file mode 100644
index 00000000..78e5907f
--- /dev/null
+++ b/sphinx/templates/logo.html
@@ -0,0 +1,5 @@
+<div class="sidebar-logo" style="text-align: center; margin-bottom: 1em;">
+  <img src="{{ pathto("_static/img/logo_cymais.png", 1) }}" alt="Logo" style="max-width: 100%;">
+</div>
+
+ 
diff --git a/sphinx/templates/structure.html b/sphinx/templates/structure.html
index 93e6ca42..ece03302 100644
--- a/sphinx/templates/structure.html
+++ b/sphinx/templates/structure.html
@@ -61,5 +61,5 @@
   {% endif %}
 </div>
 {% endif %}
-<script src="{{ pathto('_static/current-nav.js', 1) }}"></script>
+<script src="{{ pathto('_static/js/current-nav.js', 1) }}"></script>
   
\ No newline at end of file