diff --git a/docs/source/_images/openmc.png b/docs/source/_images/openmc.png
deleted file mode 100644
index 9f5e97cd6..000000000
Binary files a/docs/source/_images/openmc.png and /dev/null differ
diff --git a/docs/source/_images/openmc200px.png b/docs/source/_images/openmc200px.png
deleted file mode 100644
index 3997c6baa..000000000
Binary files a/docs/source/_images/openmc200px.png and /dev/null differ
diff --git a/docs/source/_images/openmc_logo.png b/docs/source/_images/openmc_logo.png
new file mode 100644
index 000000000..73d476538
Binary files /dev/null and b/docs/source/_images/openmc_logo.png differ
diff --git a/docs/source/_static/theme_overrides.css b/docs/source/_static/theme_overrides.css
index bee03f415..dea941814 100644
--- a/docs/source/_static/theme_overrides.css
+++ b/docs/source/_static/theme_overrides.css
@@ -16,3 +16,7 @@
 .wy-table, .rst-content table.docutils, .rst-content table.field-list {
     margin-bottom: 0px;
 }
+
+.wy-side-nav-search {
+    background-color: #343131;
+}
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 1baea2b03..75e621bc1 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -129,7 +129,7 @@ if not on_rtd:
     html_theme = 'sphinx_rtd_theme'
     html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
-html_logo = '_images/openmc200px.png'
+html_logo = '_images/openmc_logo.png'
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".