diff --git a/docs/_static/software-heritage-logo.png b/docs/_static/software-heritage-logo.png
new file mode 100644
index 0000000..d1b5e05
Binary files /dev/null and b/docs/_static/software-heritage-logo.png differ
diff --git a/swh/docs/sphinx/conf.py b/swh/docs/sphinx/conf.py
index cd259a3..43a23a2 100644
--- a/swh/docs/sphinx/conf.py
+++ b/swh/docs/sphinx/conf.py
@@ -1,93 +1,116 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
 
 # General information about the project.
 project = 'Software Heritage - Development Documentation'
 copyright = '2015-2017, the Software Heritage developers'
 author = 'the Software Heritage developers'
 
 # -- General configuration ------------------------------------------------
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = ['sphinx.ext.autodoc',
               'sphinx.ext.napoleon',
               'sphinx.ext.intersphinx',
               'sphinxcontrib.httpdomain']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
 source_suffix = ['.rst', '.md']
 # source_suffix = '.rst'
 
 source_parsers = {
    '.md': 'recommonmark.parser.CommonMarkParser',
 }
 
 # The master toctree document.
 master_doc = 'index'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
 version = ''
 # The full version, including alpha/beta/rc tags.
 release = ''
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
 language = 'en'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This patterns also effect to html_static_path and html_extra_path
 exclude_patterns = ['_build']
 
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = 'sphinx'
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = True
 
 
 # -- Options for HTML output ----------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
 html_theme = 'alabaster'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
 #
-# html_theme_options = {}
+html_theme_options = {
+    'logo': 'software-heritage-logo.png',
+    'font_family': "'Alegreya Sans', sans-serif",
+    'head_font_family': "'Alegreya', serif",
+    #                     equivalent of alabaster's:
+    'gray_1': '#5b5e6f',  # dark gray
+    'gray_2': '#efeff2',  # light gray
+    'gray_3': '#b1b5ae',  # medium gray
+    'pink_1': '#e5d4cf',  # light pink
+    'pink_2': '#bd9f97',  # medium pink
+
+}
 
 # 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,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
+# make logo actually appear, avoiding gotcha due to alabaster default conf.
+# https://github.com/bitprophet/alabaster/issues/97#issuecomment-303722935
+html_sidebars = {
+    '**': [
+        'about.html',
+        'localtoc.html',
+        'relations.html',
+        'sourcelink.html',
+        'searchbox.html',
+    ]
+}
+
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {'https://docs.python.org/3/': None}
 
 
 # -- autodoc configuration ----------------------------------------------
 autodoc_default_flags = ['members', 'undoc-members']
 autodoc_member_order = 'bysource'
 
 # Do not import django as it needs to load its configuration file (ref: T763)
 autodoc_mock_imports = [
 ]