diff --git a/doc/source/conf.py b/doc/source/conf.py
index 9d3879bb10762740fb3f1db06886e1cf2248056f..dee4e4fd072b2ef9458d843795d196c7e9a2be6d 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -55,6 +55,21 @@ exclude_patterns = []
 #
 # html_theme = 'alabaster'
 html_theme = 'sphinx_rtd_theme'
+html_theme_options = {
+    # 'logo': 'joblib_logo.svg',
+    'github_repo': 'csster/csst',
+    'github_button': 'true',
+    'link': '#aa560c',
+    'show_powered_by': 'false',
+    # "relbarbgcolor": "#333",
+    # "sidebarlinkcolor": "#e15617",
+    # "sidebarbgcolor": "#000",
+    # "sidebartextcolor": "#333",
+    # "footerbgcolor": "#111",
+    # "linkcolor": "#aa560c",
+    # "headtextcolor": "#643200",
+    # "codebgcolor": "#f5efe7",
+}
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,